MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting. Heuristics indicate this is a link farm designed to redirect users, and ClamAV detection confirms its malicious nature. The ML classifier also flagged it with high confidence, suggesting a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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 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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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 http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613835134d5cb---33167051067.pdf In PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/079lhvbn80m4ue6f6e6dribqem/zaxisiw.pdfIn PDF document text
- http://jgbt.us/pds/userfiles/files/todekemolozusan.pdfIn PDF document text
- http://nusratali.com/userfiles/files/79369593600.pdfIn PDF document text
- http://cee1968.com/ckfinder/userfiles/files/filitirupevobabore.pdfIn PDF document text
- https://pisangmanis.com/contents/files/58519317720.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/44640249760.pdfIn PDF document text
- https://bomando.bomsolar.com/uploadfiles/files/wotabojuva.pdfIn PDF document text
- https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/37349581690.pdfIn PDF document text
- https://swapnauraan.com/ckfinder/userfiles/files/46900589884.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/31565573022.pdfIn PDF document text
- http://iscelenie.info/files/file/tubibopokorupizasisadujog.pdfIn PDF document text
- http://www.siposferenc.hu/html/begelo.pdfIn PDF document text
- https://digicpictures.com/downloads/92377768866.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/29635483615.pdfIn PDF document text
- http://smolensk-bakaleya.ru/userfiles/file/zetelugomin.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/89121981665.pdfIn PDF document text
- http://ecoaga.com/documentos/file/85965631470.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/woroxelavuzipapikodi.pdfIn PDF document text
- http://sheilahancock.net/blogfck/file/17017827691.pdfIn PDF document text
- http://qfse.co/images/uploaded_files/ckfinder/files/1630611891_3cf0fdf61d.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/tijojole.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/49703027733.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2e884c46b---99436386564.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=remove+all+certificates+androidPDF link annotation
- 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_off0000b2d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D7 | 10748 bytes |
SHA-256: b38aad049761dc0c1c150a438f58df967fab75201efcc4a0c2ac3d1887a404d8 |
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font_01_sfnt_off0000cb92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB92 | 16412 bytes |
SHA-256: 7f88aacddf74af7664aec3312978c507c9a7f76266bfd1221250d7eccebd7399 |
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font_02_sfnt_off0000f56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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