MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to compromised WordPress upload directories, suggesting it's designed to host and distribute further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9875
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613340ba8bceb---zutazujatebijoxibuluja.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/492c4999330837f46c6b586340eb907e/87167715945.pdf
- http://progettocecinacuore.it/writable/public/userfiles/file/79887951614.pdf
- http://galsabino.it/userfiles/files/20729083061.pdf
- http://mannaz.pl/userfiles1/file/90198086486.pdf
- https://univerosg.com/ckfinder/userfiles/files/93155113694.pdf
- http://www.ruben.pl/ckfinder/userfiles/files/26353916731.pdf
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/govasomilelubasitufiro.pdf
- https://hotnewsmd.deca.md/upload/userfiles/files/kisifaxigajoribod.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/94a0e17ab06231ef59dab1d301ee4715/dabigafule.pdf
- https://renesens21.com/ressources/upload/files/61419196977.pdf
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/soxefoluxawanikif.pdf
- https://maxtarget.by/ckfinder/userfiles/files/vilirewutun.pdf
- http://kangshi-you.com/uploads/files/202109012302311694.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613463ba6bfe6---xisox.pdf
- http://drukarnia-skawina.pl/app/webroot/media/files/worinomuwevila.pdf
- http://balade-pierry.fr/userfiles/file/98786126447.pdf
- https://nacionalequipamentos.com/ckeditor/uploads/files/27677239503.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133cf28a6418---gowunoneb.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613763df1351c---63025196323.pdf
- http://urjabatteries.in/userfiles/file/sozabi.pdf
- http://roycraft.ca/userfiles/file/97784576686.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16135e7a28d722---4796289359.pdf
- https://lhorizon.ca/uploadHorizon/file/zepulirotobelawujaxaguj.pdf
- http://tw-tms.com/uploadpic/xw/files/68597301760.pdf
- http://bukvoznaika.ru/ckfinder/userfiles/files/57143068514.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=sat+paper+2019+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_off0001251a.bin64f3ae9c4cadfa17813eade9a25232fa152f0ff7780e55b9a4de37b431738872 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1251A | 10500 bytes |
font_01_sfnt_off00013d32.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D32 | 16792 bytes |
font_02_sfnt_off00015544.bin52272b3ba738d43e9bfd7d655d94c0703c21b7e95cc0bf48637969b3b01d77a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15544 | 17964 bytes |
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