MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to distribute traffic or host malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://morgancountyoh.com/userimages/faxawumetibafizumilixaw.pdf
- http://meteosputnik.ru/userfiles/file/gijowepuloxakin.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c8e54570e---xisoja.pdf
- http://mea-travel.pl/userfiles/file/ripizudimabug.pdf
- http://wsystem.sk/userfiles/files/vokamimuni.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/2075007dfc4294ae46392aea00b8e300/lewedipo.pdf
- http://www.findvoters.com/userfiles/file/tazinedokilowo.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ab0ec52da---84405881504.pdf
- http://mp-hd.de/data/aktualnosci_imgs/file/joxabizatawesuwiwuvapor.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/8fa70197fbdc8a22c3776d5566d474e6/wedixedameroritiva.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900d3fd3a51---surufin.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071cab972478---dejigasari.pdf
- https://artasedanasingaraja.com/uploadfck/file/wonugidusofudolotogi.pdf
- http://1careglobal.com/upload/files/38330810568.pdf
- https://parklanehotel.asia/userfiles/file/92309268474.pdf
- http://bjhtdszdh.com/v15/Upload/file/202159155107537.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/vr58dp7mg5nh9bir0o0f55r9e4/44414401691.pdf
- http://abwingssuffolk2.com/uploads/files/nabasasowemowi.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b553f477d6---54544978373.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/2a4ipctl23q1eomqbmq227qa91/renipu.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec06ed6499---dawunivoronaxupob.pdf
- http://dermaktif.com/imgup/file/toxafekagumabapigizigeziw.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/cqhe7up9pjqb1t2io8dqg525fo/94900892540.pdf
- https://ev-owners.jp/userfiles//files/5920248899.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1b62e2547---20569060725.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=itchy+scab+on+face
- 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_off0000f50c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50C | 16792 bytes |
font_01_sfnt_off00010d1e.bine43d615de2b8b1f848563e44026ba8c9e684c0c12fb9a99716b0ad6be250f6d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1E | 17304 bytes |
font_02_sfnt_off00013a6e.bin6177e3e06036fdd5c7f7edf7ad5092ef230c53364e4d5b3a73ecb5d16c79dba4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A6E | 10400 bytes |
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