MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was detected as a phishing trojan by ClamAV and a machine learning classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The embedded URLs and the nature of the heuristics indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2435546ea5---38939244901.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/a5829e0519d8400b0a750546f69bba8c/79307090058.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/pofci39iu8fllb24prolk42ce4/48580065670.pdf
- https://africanresearchcenter.com/userfiles/file/9652933779.pdf
- http://weifong.tw/fckimages/file/58507434797.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160acee044f0e2---46491365400.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/c62cfe4911ee5517a952c66a4a499256/63126291850.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/3caa6340544e4b966e994b81732552b7/88060739960.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d775be0c71b---45270250769.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/be41fa536338048bd6f055b8342acfb3/70831120664.pdf
- https://burlingame.com/wysiwygfiles/file/wapafopemef.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16071ecb0956c1---34650119778.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b31ea85abb---ruzabe.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/94124012ca071c2b1e4b9aff6d8c0642/82862981761.pdf
- https://jahanchart.ir/data/files/file/86559590107.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/5897e8d4bd150f6f15dc6938ae656eac/pamupoxitugolisanufavo.pdf
- http://soflacops.com/clients/83266/File/35599595973.pdf
- https://peptidturkiye.com/ckfinder/userfiles/files/27841140355.pdf
- https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/d361a8993b8a45e4a1cbdf195e07cf28/lelamedefinowusuteda.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/44e1825acb7a447088e9ecf0c8a0264d/kivufejuf.pdf
- http://beloezoloto.ru/userfiles/file/10054418627.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/hr40a4mq72ic6fms4sbfnvicel/mumamaxodamidijar.pdf
- http://lavalnerina.it/userfiles/file/banolade.pdf
- http://staractivecollection.com/resimler/site/files/fevaregipazerofux.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=orange+tabby+cat+with+green+eyes
- 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_off0000eb5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5D | 16792 bytes |
font_01_sfnt_off0001036f.bin62b285e76250ded3136538291c9090f1d90902e01ee92a7f3237b409706791ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036F | 17360 bytes |
font_02_sfnt_off000130e1.bin0ff7c3df6675e59ebf1ce18494bcc06beaa63778bb7fb7167ee82b002b4d0b73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E1 | 10708 bytes |
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