MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains a link farm pointing to multiple compromised WordPress upload directories and other disposable hosting sites, suggesting an attempt to distribute malicious content. The 'SE_INVOICE_LURE' heuristic indicates the document may be disguised as an invoice or payment request to trick users into interacting with the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9794
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://osc-pribor.ru/products_pictures/file/marezokemitasotutol.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160856b1faf629---28356976481.pdf
- http://union.travel/ckfinder/userfiles/files/jerefonifafuzavivaver.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1609901be8bb1c---88715379164.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c54fafc9a---miperipeminis.pdf
- http://tbm-mova.by/images_from_html_editor/file/dumizawepatatizoliter.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/5a521c9dae00c0e4d61743d7b97520c3/82244698093.pdf
- https://prestinireedcorp.com/userfiles/files/fipazixebunolujekigenu.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/18a482dc28b31d3be97533efe0f52a45/22660953348.pdf
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/xolutedetatenonaxuto.pdf
- http://palami.by/images/file/5861506011.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081397fdf2c8---vosujuwulanofelitid.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/31529f3fejsjphlr1de6ebdh78/vikunobit.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fjft0u2cato4r90bq56loe69m5/retakewakizit.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f9f34d1f0---97076199886.pdf
- http://inphilong.com/upload/files/60265473677.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/r721osko3as3e1gdpd374u90v7/44018378458.pdf
- http://nakajima-ya.com/upload/save_image/files/41046590799.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609242b554489---40984525685.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ec62ca7b8---xufasor.pdf
- http://kasintorn.com/images/upload/files/siwojiravavazamemovagepu.pdf
- https://weddingitaly.jp/images/file/391429488.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/0uacf7cjkjpjasodepg2u64sl7/xusezaravajug.pdf
- http://daonshop.com/files/fckeditor/file/18058301406.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4964709967---8310534999.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/ba31231137339dfb2e2f21c26061e77f/18215848557.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=key+selection+criteria+example+answers
- 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_off000156c5.bin1a27c26713804f6ace8f45d444fc98dc138771990eec9bef489552a3251a406e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156C5 | 10828 bytes |
font_01_sfnt_off00016fd7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FD7 | 16792 bytes |
font_02_sfnt_off000187e9.bin4dc42aed48221fb6e16b05a6fd241a3e8f3557db8ba35efd6c5aa5de22f3ba40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187E9 | 16756 bytes |
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