MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, likely to distribute phishing content or engage in SEO poisoning. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://deltools.com/userfiles/file/23481505995.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/ca30877319dcdc58f0822974a48d1aab/fowodorewajirifegujazevox.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160850774e8501---jilijisipubegogosuwabeza.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/712bc317755e1f5868b725819ab2aa72/79719974518.pdf
- https://gachbinhduong.com/upload/file/97317103036.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4150ec840---84438032507.pdf
- https://armagedonspedycja.pl/files/file/wamazuvenelikupu.pdf
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/3k0anlkmbeqorl3ll8reb4l8c9/bugikav.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bae4e1773d8---tidozoroxod.pdf
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/ra1roqv7vdhg5hrnretvnl9u5o/94195381620.pdf
- https://audreyheselmans.com/_files/file/kizadakukowesifiluxoten.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9e0765a8f---51495349220.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/4103e44f708756a113da92fb9fbe4859/nemuwefamigigemanugire.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098142dda26b---40369097260.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a686516e126---jemaxonizewefo.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa264f47536---bafakaxaluw.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/p2bj8k6dap17h7omjo8dff095e/14929040637.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097a8ef74c16---31237535599.pdf
- http://sugarfree-gelato.com/upload/file/2117781980.pdf
- https://247christianity.org/fckeditor/userfiles/file/lonezigofem1620621532.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16071af2b89b98---99381977983.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/4cdedaba85d11b479728dc40229fd748/fefodopo.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/c6c320357923f73aa23841067ea1cbeb/45634492688.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160738c0270b84---32231110073.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/d9e5cbdac64600b489779793162ba574/53245198271.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/1823ef14486b490c5cc500431759b746/53722062204.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=the+breuss+cancer+cure+pdf+download
- 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_off0000d8ec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8EC | 16792 bytes |
font_01_sfnt_off0000f103.binaafe991619b59c9c3823cec583998405a45b8b3f9706473b1c0f4e77088c2ab0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF103 | 10816 bytes |
font_02_sfnt_off000109bf.bin204b6e93aab5de021d8c6db74799d4ea4b5ec1bf69198d51d415bb0775d5a20d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109BF | 17180 bytes |
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