MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple links to external resources, including one identified as a PDF link farm pointing to compromised WordPress upload storage. The presence of a 'download button' heuristic suggests a lure to download a payload. ClamAV detection and ML classification confirm its malicious nature, likely acting as a dropper for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://philabc.ru/uplcv?utm_term=kevin+durant+50+40+90 PDF link annotation
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f7df8c8bb---furezafilixagusok.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/4515999063ffb02ea8ce2c147097a12a/vafazorito.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c85a240649---jusipojixibiwagofek.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1092d31bf1---33139431339.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06f4900be7---rojufososawibogadunego.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845f50230e5---93830462159.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160b55a1909a61---ledomopopibitunogasep.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/zapili.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c55f9ca208---18459380976.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a39386b0a---4587826627.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/96495628032.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e3377bbc2---kudedowomilabewifo.pdfIn PDF document text
- http://hoangle.vn/uploads/userfiles/file/81514228683.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073d5edb5e40---71191543144.pdfIn PDF document text
- https://ajitcoatings.com/uploads/40625862723.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b72bdd2f42---rinegebaxolunezewaretug.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bac003145c8---govutokubogiwi.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/c90ed763c8507fd6627a404996313181/36773597157.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a458a5748---14025104347.pdfIn PDF document text
- https://ijpdua.com/contents//files/pitifesujepapefevi.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160805ab2ef762---49381601874.pdfIn PDF document text
- https://porterbrothersltd.com/app/webroot/uploads/2485916917.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/xekadin.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607093bbb99a3---49691037223.pdfIn PDF document text
- http://lube-stc.com/ckfinder/userfiles/files/9511095898.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011c55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C55 | 17764 bytes |
SHA-256: 08c4d0d241d2ba9e0331bd5661cf47b9388a8373ad499cea5533e7b741a33d46 |
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font_01_sfnt_off00014b10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B10 | 10568 bytes |
SHA-256: ce656d317bb6716977a5d9bf8a274881909aa07aa21611a8587d42fdaed4fbab |
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font_02_sfnt_off00016363.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16363 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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