MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many of which point to compromised CMS upload directories or disposable hosting, indicating a phishing or redirection scheme. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://andhimazhai.com/images/files/2361741242.pdf
- http://altus.pl/userfiles/file/kifoteli.pdf
- http://lexuspolymers.com/assets/ckfinder/userfiles/files/17599009260.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e3ea1ffe5---mutazilofanu.pdf
- https://suprastoc.ro/userfiles/file/nuvizunetowizosed.pdf
- http://ecole-belair.com/ecole/file/1445374011.pdf
- https://valleyrentals.com/userfiles/file/mebafoguxewariviroriga.pdf
- https://www.hkha.org/ckfinder/userfiles/files/vegadujijisalol.pdf
- https://bselink.com/userfiles/file/wewuze.pdf
- https://ms2gacor.com/contents/files/vulitu.pdf
- http://heatexchangersolution.com/upload_fck/file/2021-9-8/20210908060605800464.pdf
- https://dondepodemosir.com/userfiles/file/22931324961.pdf
- http://canadanur.com/resimler/files/91225292670.pdf
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/39758480993.pdf
- https://olamare.com/img/uploaded/file/88431965252.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613b278dc8b34---ludamawolekegowetub.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/793b3b1d6e57ead6278845f2cc6e8c2b/3175969468.pdf
- http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/zojenilab.pdf
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/67462318875.pdf
- https://bvphcn.bdata.vn/upload/files/67701323062.pdf
- https://profix.fr/ckfinder/userfiles/files/43023355924.pdf
- http://infosierra.es/images/editor/1251884345.pdf
- http://burattinojatek.hu/userfiles/file/niborivalavenanasig.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e982ea6098---12659638514.pdf
- http://ninda.vn/userfiles/files/pewasulumugopavaxomalupov.pdf
- https://sealskinz.ru/files/file/80910812561.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=martin+luther+i+have+a+dream+speech+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_off0000d26e.bin1dc2a0418a929241e5608c6d993228937ce7cd386c022941ea3ee07939e4841e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD26E | 17492 bytes |
font_01_sfnt_off0000ff9b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF9B | 16792 bytes |
font_02_sfnt_off000117b2.bin2350698a838de850e5b640b620c4b153529af7066bddae8b897265b8e80ac749 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B2 | 10924 bytes |
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