MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, many hosted on compromised CMS platforms. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/882c68f068008bde3f22b8b25477d3d6/fiviwime.pdf
- http://chia4kids.ru/ckfinder/userfiles/files/26704670106.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/afe0e8e8673dc8d2465e64e60b662655/pogedositasipa.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/vj2emc69fe5gfjdrq3e2dronf3/88088283427.pdf
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/b731c7ccd449deb1ca87eff2e3aad70f/welolikikekokugofejobaket.pdf
- http://asbufestival.com/uploads/FCK_files/file/luxexoze.pdf
- http://ceresasrl.it/userfiles/files/dagozew.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb7c01ec4d---57732572592.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6eaedbbbbc---44013389334.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/25dr4ig512rkh6es6blrqq5s2q/jatelaxovi.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/43bf8cfeb2dc352a32451259fa105340/61746070667.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851092edea5---97510682090.pdf
- http://industrialdevices.in/uploads/40138709510.pdf
- https://dacinsara.ro/fckfiles/file/26309422436.pdf
- http://memphiscentral1969.com/clients/865565/File/35101194648.pdf
- https://stopserv.ru/files/file/soseluxujofagubilu.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/09l0s4dj9tvn0i1m27f8knq7dg/71769425260.pdf
- https://pbchistoryonline.org/uploads/file/lixazuwizo.pdf
- http://logiccpacma.com/ckfinder/userfiles/files/pimamamewilaludolupifa.pdf
- http://dgjst.com/upfile/file/mozuvikisesugatekalerado.pdf
- http://aucoindeshalles.fr/menu/file/89770343747.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=concentration+span+meaning
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/39f53a2d1f4982eb41d2ee327a971117/zobutemowaxutalusim.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_off0000f86c.bin6a427cfb4054ca5bf6117dd04cbf95a7413ba49934aac38faa59f0f85f61d386 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86C | 10700 bytes |
font_01_sfnt_off00011102.bin1990004b54ba721db13293e59798ff1ba23c7ee2c378f163c5d2b39e89910744 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11102 | 18256 bytes |
font_02_sfnt_off00014156.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14156 | 16792 bytes |
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