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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, pointing to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links, including those with 'utm_term' parameters, suggests an attempt to manipulate search engine results or direct users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070385603478---68383840246.pdf
- http://bioident.pl/photos_fck/file/9578584491.pdf
- http://thankschicken.com/uploads/files/lukiraxasumexefijukimime.pdf
- http://hysansam.com/fckeditor/userfiles/image/fibuzavipodo.pdf
- http://artside.org/data/temp/file/kekadoguwedezedikuxisu.pdf
- http://geerhannutpourreussir.be/docs/upload/files/kazixijazunisuzubufixirus.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b072c369e---bibebujuninapefimojujonam.pdf
- https://vestol.bg/files/file/purekirerovesirixo.pdf
- http://maekuangudomthara.com/ckfinder/userfiles/files/misipawepewox.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/a03353270c5bb387267d00027a292219/2537436512.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/9b3af0883d1af083075ea97285d5036e/67765285711.pdf
- http://globeksa.com/ckfinder/userfiles/files/zuzelaxebege.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/uq6bhqt0778ep6fcmh0pa8knc3/63457707290.pdf
- https://byocamacho.com/ckfinder/userfiles/files/jakorowulovubiwunamadax.pdf
- http://inphuduong.vn/upload/files/74051801277.pdf
- http://lovellreunion.com/clients/4/42/420738e4954c29d3cfd02fdb1bc9139f/File/mowotewakepakorififutu.pdf
- http://ccspatti.org/userfiles/file/90370544759.pdf
- http://mnogonomerov.ru/uploads/file/gotasoligara.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/4hhmvmtnmeu0a8lkkkitrvbemm/rupujugifinevexavujokame.pdf
- https://doluhosting.com/calisma2/files/uploads/pafimuzaravifuva.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=free+spoken+english+guru+pdf+ebook
- 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_off0000d20b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20B | 16792 bytes |
font_01_sfnt_off0000ea22.binde9fc44271f79664d62544500bc656189dd5afc75e700694f3803017efe8e347 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA22 | 10828 bytes |
font_02_sfnt_off0001027f.bin598bc665fda07a3089a89c8d37b5ce9408195b1ab2677030d352499ce30f5c53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027F | 21124 bytes |
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