MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains. These links likely serve as a distribution point for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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 http://smartpaintingplus.com/userfiles/files/25079311507.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/c15d21e24c1f22eefb962497eb61592b/zewulazelasoluw.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609927e237c24---pagudepa.pdf
- http://richmore.kr/uploadfile/fckeditor/file/dimujulibiwelow.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/943443d24e981c7341ba8e99b6d3e949/1693855149.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/a792a9c10099660f8b9e8508637f2b2d/pilatoganuxok.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/529826f638041697a10d9a9f7f896601/musimasonewobukamaliriv.pdf
- http://wellfoto.cz/pictures/files/35357826363.pdf
- http://waterreducer.cn/d/files/bufisadofiteromepawo.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c3eeac75ff2---muvor.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf207ddd78c---4330506384.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcfa0d049c---pobinerejajonotax.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096310a65b42---13202795595.pdf
- https://jbdclothiers.net/emailer/userfiles/file/43146054851.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/53285d17crnaci43bf49jom187/lifezinew.pdf
- https://musikkursus.dk/userfiles/file/11657704724.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/58dcac7a4760703b4a051ba05e04f334/wolitugowibebiwa.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098f50f8d3d5---vijug.pdf
- http://www.awakohchang.com/image/upload/File/7348622739.pdf
- http://rgjbreunion.com/clients/6/69/6950e03db8b1ea894755b369f0a03c31/File/tevejekixevebo.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c1cf2322d---zedizarugem.pdf
- https://grancom.by/upload/docs/madewimadorovokupoz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+spell+papi+in+spanish
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103f1.binefd8f755fd42e78cc762c7c04f2dbebf679b9e65d244be64f76344dc62fa8348 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F1 | 19476 bytes |
font_01_sfnt_off00013648.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13648 | 16792 bytes |
font_02_sfnt_off00014e5f.bineb7d4100c918e23f586eab81bfa00c6f9812c8ea81c87e13a6d9150621922358 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E5F | 10328 bytes |
font_03_sfnt_off00016590.binb0905f735add9c35dcf0322ee6b1ccbe2abd99b3027b5dc40d6a2f077e8c886a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16590 | 16944 bytes |
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