MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, with many URLs pointing to potentially compromised WordPress upload directories. While no scripts were explicitly extracted, the presence of external links and the nature of the heuristics suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://safewatersolutions.in/ckfinder/userfiles/files/65273993196.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/5fd91328bcdc858d5118eec6a0f1c337/37267029891.pdf
- http://maschimaurizio.it/userfiles/files/82280122518.pdf
- https://bauarch.bg/files/75232166610.pdf
- https://girl0229960192.com/upload/users/files/xebamavogutumevutoraju.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/edb8dcc6b1d1ec97fd40037901186d40/falib.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614168792f864---zuxibozesikufepe.pdf
- http://kemnhapkhau.com/upload/files/35216280639.pdf
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/2820614149.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/48d4101b47acb6045d6620fe4827b267/nofefeg.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613bea7518a2d---madetatuvigirejif.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133a913d8bb3---23245488142.pdf
- http://kovacsoltvaskerites.hu/images/file/vanivub.pdf
- https://coil.hk/upload/files/94320872136.pdf
- https://mytekas.com/UserFiles/file/fokirana.pdf
- https://robustbrakes.com/administrator/imagetemp/file/38753754693.pdf
- http://fizjoactiv.eu/Upload/file/93267858688.pdf
- http://kavernoklub.com/campannas/file/tozireluwaduxuguxiwupuka.pdf
- http://mweb.cz/images/file/68123441753.pdf
- https://hr-serdahel.hu/images/file/xezuruwugageku.pdf
- https://btsis.com/upload/ckfinder/files/wexisoku.pdf
- https://fenicia.uy/fenicia.com.uy/uploads/files/840220283.pdf
- http://odontoflash.eu/userfiles/files/savabopelakisikedofed.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=watch+boku+no+hero+academia+season+1
- 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_off0000e841.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE841 | 16792 bytes |
font_01_sfnt_off00010053.binf153428d7fcbab62078694f7856e5178338667f9882b3ee185f3255141f5856b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10053 | 18292 bytes |
font_02_sfnt_off00012f7c.bin59061c62015be6155800fb691ec15b2054432a58222e00aa01a2d91f4290beaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F7C | 10964 bytes |
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