MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories. These links likely serve to distribute further malicious content or phish for user credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160740cef7a5b0---lapowiri.pdf
- http://shinies.ru/img/lib/file/farep.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2d77c7275---logaliluwidunawejidas.pdf
- http://clinical-pain.com/pds/userfiles/files/raromowajake.pdf
- http://sacoorhealth.pt/site/upload/file/5160376016.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16071c246f14f4---fuvomamixivutisa.pdf
- http://sjar-tech.com/uploadfile/file///2021060307593396.pdf
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/e887d4ec0a49df736801ecccc7e0febb/lezuwebefupovivefameza.pdf
- https://prairieroseclothiers.com/FCKeditor/file/gupidegitafej.pdf
- http://beiwendq.com/userfiles/file/19998667511.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c42ed2662---13289551985.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/5bbb63921bfe8caa4eadb6bf4e13c811/16149111073.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/6e671baf24a2c72c4ed980d42b211fae/livusofonumixuxe.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da765a88be---36774996617.pdf
- https://edmaker.site/wp-content/plugins/super-forms/uploads/php/files/421bb9fa0f7e521f31abb4353aa0dc8d/69294281462.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c86e33042a---bukajoxubojelu.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/vioasvsiqv6r93usr129h27pi6/83494203540.pdf
- http://spreewaldatelier.de/img/editor/file/mejoneliviwuvajibaxije.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/11263e3fedcf9c558bbb9963da7cb188/losifefakodurod.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/63652c1d27335c8cea8d41c982aa2b77/55804625621.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9af3a505be---dutejirelux.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/kqb1c8s3f3311vgum1ormfogr8/banozerojolepesuxudaraz.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d26e425bb05---55435885543.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/5rgkd0qghi58u409eik1ru6292/46031473038.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/35dd25c302176f8c9eeef0cebc5fd839/nevusatowutodagifog.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aac0d67c63d---21926027866.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=black+gives+way+to+blue+alice+in+chains+lyrics
- 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_off0000c967.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC967 | 16792 bytes |
font_01_sfnt_off0000e17e.bin246be2680da23405eda0dbe69526476542d353624cb5f6dfc072ffa2bc5adaff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17E | 11160 bytes |
font_02_sfnt_off0000fba8.bin0f9e75460e0ad077436d0a14ec3919275f98905efe22cee6ac34fccfc54d6bf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA8 | 17588 bytes |
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