MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading a password-protected archive. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the 'password-protected archive lure' heuristic suggest a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://allytemp.ru/uplcv?utm_term=consulta+de+elegibilidad+quiero+ser+maestro+6
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/fa4897dfcac0c1334b8117f06011e957/fegowa.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/arvubg5469v08h760he8t6vtq3/24455623434.pdf
- https://hankilfood.com/upfile/files/85420960771.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/u0m4e94n15skm7djokt7nb2r9t/56701073896.pdf
- http://piazzademarini3ge.com/userfiles/files/65731826177.pdf
- http://thuexedanang247.com/uploads/image/files/6765368083.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6dfdaaadf5---31144504078.pdf
- https://5udua.com/contents//files/jitorakuwupuzigutojanapo.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/np0nqhp36hfe6tdvbh93fh0f32/71284277029.pdf
- http://aksaaydinlatma.com/img/editor/image/file/nifero.pdf
- http://petraifevronii.ru/ckfinder/userfiles/files/5409824296.pdf
- http://jucal.es/images/file/35528828033.pdf
- http://bancasemecanino.com/userfiles/files/15716292424.pdf
- https://isosklo.cz./uploads/8103071875.pdf
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/3ef9862fe977d8d26074e27734211fa5/35387562492.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/effe0dd964a43e209bc8e3ebaecac0dc/gupizevilimikudazufotep.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160942b0205c61---xizulesitesadol.pdf
- http://mcenterdk.ru/fck_editor_files/files/44427780396.pdf
- http://leebyunghun.org/new/upload/board/files/70708610676.pdf
- http://ecogestval.com/userfiles/file/wuneludavir.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/7beaf887b03bb1319416cedef84d5c8c/580728488.pdf
- http://brette-animation.com/userfiles/file/motesomokezer.pdf
- https://nguyenhungstone.com/uploads/image/files/jonuguz.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://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_off0000f45a.bin635fc2292a6a0db88335f59891086cfa65f09d9fbbc90041dfdbb706738445c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45A | 18604 bytes |
font_01_sfnt_off00012320.bine67be70b256b97e0b776348af79ce175d1381ce0909e2ae4de480238d747b7fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12320 | 11176 bytes |
font_02_sfnt_off00013ccd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCD | 16792 bytes |
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