MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/9dqvt0c2sqp6jmjei4q0hgm61s/50230912424.pdf In PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/84qm3bj8iv2cohlv1vokkjng89/22175635412.pdfIn PDF document text
- http://cpgny.com/userfiles/files/8730591642.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/f9255558224c4a99e6690af26cad816b/rofenisoreseniwuz.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/0a3472d10fc854256989170aef0632c7/22313341156.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096bb4992bf7---duwesivosawaja.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/68191263335.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/kaviburajozawenak.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/69042745174.pdfIn PDF document text
- https://permargi.com/files/galeria/files/97889199939.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/20735373071.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ce75af46a41---44411326105.pdfIn PDF document text
- http://yetisirkaucuk.com/firma/files/86542373136.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/gajewizopezup.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/6fc4fc78e1870e989892f8dfe4f22de7/livogelemisajevig.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5af4ef2af3---61312501284.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/tefutedibofokibuj.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073914d73afb---momijibigetovax.pdfIn PDF document text
- https://my-natural-style.net/upload/files/41521436072.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e33be86920---99005010820.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/90682247840.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092081d647bf---69931298307.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/3acd3f8e54d2c18f4598fd2a981ccdb3/tubekajakuritixobusi.pdfIn PDF document text
- http://tuvanthanhlapcongty.biz/upload/ck/files/xuxigudonememowaz.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b25d9719004---72302520121.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+much+for+a+kfc+franchise+in+jamaicaPDF 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_off00016e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E7C | 10856 bytes |
SHA-256: 597e1693095ffda6fe45b3f0a121ce3a10f0bf9cac33ea10c823fad9da98b13f |
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font_01_sfnt_off00018756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18756 | 19144 bytes |
SHA-256: 94f313936ddf62e9b0dff6760ddab34e6aaffeb664df429ac810b84cf8169dce |
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font_02_sfnt_off0001ba76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BA76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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