MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content or phishing pages. The presence of external URIs and link farm heuristics strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://wastran.ru/uplcv?utm_term=ricket+is+caused+due+to+deficiency+of
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073020bbaf8c---metuxofomiriperuwapebej.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b853c0ac1a---surolojegipojokevides.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d10e1a7570---3198879714.pdf
- http://gmei.lt/ckfinder/userfiles/files/3679310111.pdf
- http://fincasotilloviejo.es/files/sotillo/_repo/file/punojonoxipimuxivunal.pdf
- https://m-isc.com/userfiles/file/govalulebutuk.pdf
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/sizerigike.pdf
- http://beepost.vn/upload/userfiles/files/28311087697.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077ec85483b3---bofaguwedugosalupig.pdf
- http://location-appartement-venise.com/italie_documents/files/povikajimokakowoketi.pdf
- http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/gamizalemig.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c22fc6a5a89---55058544960.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/8e7194c331b32373a5670186dcd41d1a/8016448865.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/srfn8omjdhest9k22tvr7tseme/36861730188.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/hd6p259m7s5iu8detkohdidjom/meluvuwubafowufovitetor.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/75a2f0a17825b245a04a91219db81795/36039452150.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/663f60c70a8f550664a776310b75cdac/labadevuvirevam.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbeeb295752---dopeloxegopidibupovupebo.pdf
- http://alimentosldm.com/userfiles/file/nezapirikokajet.pdf
- http://www.jobsincrete.gr/images/_user_na/file/7266516285.pdf
- http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/depokerodaxiponujuk.pdf
- http://spamsmsgiare.com/media/ftp/file/gufikilinitatufajixigi.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4363bbea43---66098759064.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/a825aaad44bfe78e45592a689e680b5e/64879762904.pdf
- http://5m-tti.com/uploads/image/files/34413188451.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_off0000eaa2.bin7399e9e96df701f4a2404c83171c9764f8ded86461fa126021d842efee0a083f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA2 | 16580 bytes |
font_01_sfnt_off000115db.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115DB | 16792 bytes |
font_02_sfnt_off00012df2.bina7e6c28643a2569ee4aba0459ae1e68799320a9a4eace7dc3de817c48806f28a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF2 | 10676 bytes |
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