MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or SEO manipulation scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://glassco.ca/clients/9/99/99aa1728c1dafa3cf8773a75727b87c9/File/10064403219.pdf In PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/mdv36554e14uqsrdojligifj6o/83351480974.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/26192760691.pdfIn PDF document text
- http://com123.vn/uploads/file/govukaxuxolajidexa.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/33efnkm24o1nnct70g97repgi0/badofupukosavalanaduwe.pdfIn PDF document text
- http://soflocops.com/clients/67403/File/solosafotupe.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609dab66a33f4---sasoradovutejamagiwusu.pdfIn PDF document text
- https://lonnebacka.se/anvandarbilder/126/files/33912871697.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160709920b954d---5507002525.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210625051702_fn4h55.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/motizozaromobebewole.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc12490ac1---sujakutisirogab.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/gukukisonilafemiw.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940e5c12b9c---53106326946.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/sirinifinuzakozob.pdfIn PDF document text
- http://logistra.fr/ressource/site-image/files/61607857449.pdfIn PDF document text
- http://billsky.ee/files/file/dimokarinemeguluxuro.pdfIn PDF document text
- http://texmet.pl/userimages/file/libulenegerureluvojaga.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/21279264389.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/xonuvodud.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fb75b05e1---tunegulojujozab.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/61906937511.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/zujitezirin.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/85787230451.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/jlki6io1ajkro25bgjhedop8h7/berimibunesebaganav.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/72629846275.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=electrical+safety+quiz+questions+and+answers+pdfPDF 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_off0000c8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8BD | 16332 bytes |
SHA-256: 83bdb64ba283028e7cc08fad68c60e079f23f63725db129862f31e24a7e3662d |
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font_01_sfnt_off0000f2e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E7 | 11100 bytes |
SHA-256: 0c8450335864904238de77a99a3b7e7569bab689dc1f333c4a4784d2c2e0ce1d |
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font_02_sfnt_off00010cd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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