MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. The heuristics indicate it functions as a link farm, with several URLs pointing to PDF files hosted on compromised or disposable domains, and it explicitly instructs the user to open a password-protected archive. This suggests the PDF is a lure to obtain a password for a subsequent malicious payload, likely delivered via the linked files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://ratco-hardware.com/Ups/files/38377657076.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0fcf268c9---4784378668.pdf
- http://lev-steklo.ru/userfiles/file/nidifematotaradok.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/a386bf5f375b792a85152284d6739b47/26672150918.pdf
- http://rajskiewakacje.pl/userfiles/file/bupidivilanewubiwamusere.pdf
- http://podlahypilat.cz/admin/file/lusikatilipij.pdf
- https://rajaunited.com/contents//files/46379665122.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16072aeed70398---31841794593.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b907b8869---55833353346.pdf
- http://alpha-th.com/userfiles/file/rapexa.pdf
- http://asfus.net/virgsurv/userfiles/file/20352045049.pdf
- https://leganordavigliana.it/uploads/file/61743338877.pdf
- http://csc-0411.com/userfiles/file/20210611162536_bl1g7o.pdf
- http://accapierre.it/userfiles/files/75270553765.pdf
- http://lucavolpicella.it/userfiles/files/290058198.pdf
- http://2017.letnifestiwal.pl/ckfinder/userfiles/files/44654781192.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c03b7e8fd8a---gegawikizetubabodij.pdf
- http://hamzalegalservices.com/userfiles/file/teloribunagera.pdf
- http://zrdb-drogbud.pl/Upload/file/zorufaruje.pdf
- http://synhbio.com/upload/files/64020575863.pdf
- http://sghscsjamarai.org/guruhargobind/userfiles/file/suresunezalu.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/rmop7jn08i3pueveo5rfchklm0/vekuwakebiviveku.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7ec24aab2---61077684704.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/3ac183066bb11ac9a4a0bda3d10d8c73/firurabu.pdf
- https://alkalacarservice.com/public_html/userfiles/file/61083270479.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=ejercicios+resueltos+de+logica+matematica+tablas+de+verdad+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_off00012dfd.bin8683b8b3c86fed2750538ed1195dd3edaa56eb3ad8394271f7cd868bf57ea75f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DFD | 11276 bytes |
font_01_sfnt_off0001480e.bin6cd577ac1fc98bbf38d89190760bee1089000190c8c63e2e0d89e89c75848b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1480E | 20712 bytes |
font_02_sfnt_off00017c6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C6C | 16792 bytes |
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