MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of link farms pointing to potentially compromised websites and a deceptive download button lure. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the overall structure and heuristic findings suggest an attempt to trick the user into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://artecgroupservices.com/imagenes/file/89819518723.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/aq6r41p3ec7ulp4rg9mfl80pv0/xexumajiwosetamulorijovot.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/f8q7tnmpsk4eqj094mrv40reoo/85876828182.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/98664fe9f2594a0821fe6b6a0fb70b9a/pitofegazawujojekoseme.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a29c375fc---64269519592.pdf
- https://ventadeterrenosurbanos.com/userfiles/file/59253103123.pdf
- https://najlepsze-w-polsce.pl/uploads/jakukajarijofupidekom.pdf
- http://aps-mes.com/files/file/fefanelojowu.pdf
- http://rauvuonsach.net/images/uploads/files/26553081048.pdf
- https://mamo-tato.ro/userfiles/file/68600978756.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f36c300a3af168165dc5a54c34606475/38640906515.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/ld4ook9cubnrchovbo5t5lipc6/12702832545.pdf
- https://camelcarpet.org/d/files/36825356955.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715ee40e874---vimitojojopedolojin.pdf
- https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/jumikuworaduwizifuluxetid.pdf
- http://dzbnf.com/upload/file///xulewetuviwukini.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/4lfoqb4hk66ah3spnit2prd4v6/18100913352.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4949813863---59485838246.pdf
- https://kisikana.hr/userfiles/file/11234185188.pdf
- https://zemiigori.com/uploads/file/45686571936.pdf
- http://anhbanglaw.com/userfiles/file/sugijigixironuvajobenefax.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=slow+motion+fx+apk+without+watermark
- 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_off0000f608.bina70602decfc59371d47a7b18e88261398a8cdbdb1458af3895008cc22ebe6265 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF608 | 10908 bytes |
font_01_sfnt_off00010f21.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F21 | 16792 bytes |
font_02_sfnt_off00012733.binb5feb5bdb0b4e7e79653464c5e9d4471a898979f46d36955fffeaca01cf367c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12733 | 17768 bytes |
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