MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, indicating a link farm designed to lure users to malicious content. ClamAV and ML classifiers confirm its malicious nature, specifically flagging it as a phishing trojan. The primary attack pattern involves tricking users into clicking links that lead to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607266e0553c9---zizomex.pdf In PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/0larjfqaf7dnjhrm011q8s58iq/8598682908.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/b16c55d6076284882fbb781838ec94d9/67149896723.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/47105374758.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077bb3a82fd6---fonuguwudot.pdfIn PDF document text
- https://bluza-shop.ru/content/File/vilamafo.pdfIn PDF document text
- http://portamarioarchitetto.eu/userfiles/files/natanurigerutop.pdfIn PDF document text
- http://rolmech-strzelno.pl/Upload/file/84241233411.pdfIn PDF document text
- http://prtourusa.com/FileData/ckfinder/files/20210904_C23BD79AE2AE6DF6.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/38144530054.pdfIn PDF document text
- http://robalton.es/Albums/images/file///28116596084.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/830a147195ed74de79aa9a1c1f1c4ba5/79718600948.pdfIn PDF document text
- http://xn--szabowski-tub.pl/userfiles/file/suzewumefalupem.pdfIn PDF document text
- https://aashianarealty.com/file/42021382562.pdfIn PDF document text
- http://se-ty.com/uploads/userfiles/file/detagebigevegilike.pdfIn PDF document text
- http://sportgalaktik.sk/userfiles/file/46417013292.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/63458134674.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210826190247.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/sokasinitowigibirulo.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/51896145002.pdfIn PDF document text
- https://arab-hams.com/Ups/files/20401994193.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=kankanaey+language+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_off0000d80c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD80C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f01e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01E | 18468 bytes |
SHA-256: 47893e72757fd4a409645e6ed285d60d53018bdd2e4fda24d0b2a9aacce7d739 |
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font_02_sfnt_off00011ed1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ED1 | 10392 bytes |
SHA-256: f7608500f4fefea6b1ef0fc4a2acd99aa17a92980b214dc0a352660db60c4324 |
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