MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm on disposable hosting. No scripts were extracted, but the overall structure and URL patterns point towards a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://ketchas.ru/uplcv?utm_term=8+as+a+product+of+primes
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/ll04lu6qrtdttcovq5s40f5gbv/lebabetu.pdf
- http://nousgarage.com/userfiles/file/viruxuki.pdf
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/4f77eb0e48f7687e43e4243ccf4f0d72/wagufugomunatewerurikimu.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca4f058544---betudunepafose.pdf
- http://szpital-sulecin.pl/images/fckfiles/file/89674084996.pdf
- http://www.clc-engineering.com/siteuploads/editorimg/file/wuralufuve.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160903d3c006b0---58186713517.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/2d8d4bcd7e797568439f43fdd47721c5/38203895803.pdf
- https://media-get.com/userfiles/files/56259939145.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/984c04aef75dcb4f6261ae2d70b44946/7486772630.pdf
- https://licorne-hotel-restaurant.com/userfiles/file/gokudikatufowutozus.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/6hu9n0fja2j7ifm9tofh288v57/50490728854.pdf
- https://songhong-thudo.com/img/files/98853561545.pdf
- http://seamcc.com/UserFiles/files/21603618899.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160709a00aa738---berekumowosiju.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a073336d1b0---dufogufabol.pdf
- http://steelbo.com/uploads/admins/u0/files/20210531003708.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af88297f2b7---47697462770.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/879a11abe61c79a398ad1393efc717cc/26195284357.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091bd5b207f2---patewinimunuxuvem.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/2kdmm6efkb39khj8aufls24sgi/xixilokotukomofebaru.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/bbfaf7040daedcfa4661bbc457f398be/lenogunem.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/q57rebukf0m2hdfg7lkd70lhcg/tawuzez.pdf
- http://bestapp4u.com/admin/uploadedfiles/file/sitixuv.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608681e553d80---57466023208.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee3a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3A | 16792 bytes |
font_01_sfnt_off0001064c.bin30a71e928d4e17690d396a1e1e06dca0248698d933054fcc24f5c8f0d8fcfdc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064C | 17540 bytes |
font_02_sfnt_off00013403.binceb8981a6fd63fa0a162d5abc8ff90262dc8a0f39fadbbbd82b8877723401f53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13403 | 10844 bytes |
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