MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm pointing to various compromised websites, suggesting a phishing or malware distribution attempt. The presence of multiple distinct hosts and the use of 'utm_term' parameters indicate an effort to attract users through search engine optimization. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://masterref.ru/editorfiles/file/16226466680.pdf In PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/8c064f63d3021cefc5a26ce709b23f4b/25199307280.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/220d4c34f988079d591ad1b93b10ff3e/12166416987.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607261ffcc3bd---16593994987.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/30255359298.pdfIn PDF document text
- http://strandedtattoo.com/file/95414377842.pdfIn PDF document text
- http://funagamex.vn/PhuongNamGroup/userfiles/files/fuzomavaxi.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/2aolmr777q3u96emosmo5j1kd6/2664104130.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fb7f1520f---22822657599.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/lazetofawebopepokejadu.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/m5c5gq2tg7porml1scnuob35ur/80528269198.pdfIn PDF document text
- https://soechi.id/userfiles/file/91083772431.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f48d93fa0d---55411575988.pdfIn PDF document text
- https://preciseenergygroup.com/media/zafuvu.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/61918475536.pdfIn PDF document text
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/0ab5fdc58964fa6a40efe1740a85303e/pilojeb.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/2119beca7c06ac9cfcea20da2c6029a5/misumabatosonafeme.pdfIn PDF document text
- https://actor-conseil.com/files/file/13711538065.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb5cde9aaf---xiwibagasetuzijoxufub.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824b0d1c55c---12524528126.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/04911859e0786ab79285cd2e8f950ab3/subiborotumaserowuzesuto.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160db4f62435b1---21707617521.pdfIn PDF document text
- https://ms02bet.com/contents/files/refomawojoforanomu.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/83522812515.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce59d90979---fovid.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=download+gta+5+android+onlinePDF 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_off0000e273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE273 | 16132 bytes |
SHA-256: 74ea75536fed19c17de7139984d6e3a147f0afdfb48ba923d94e93e3f8c6c3ce |
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font_01_sfnt_off00010c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12438 | 10476 bytes |
SHA-256: 026c8362cb1c50fede8d49f62867b178040cc6c9f9379909d44169cb9080e7f5 |
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