MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates an attempt to redirect users to potentially harmful content. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://crewmak.ru/uplcv?utm_term=pogo+joystick+iphone PDF link annotation
- https://emtracing.net/userfiles/file/13021858255.pdfIn PDF document text
- http://tranhdaquydep.vn/upload/files/tomuzesexezarabufer.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/polemika.pdfIn PDF document text
- https://jakspravnenapsa.cz/userfiles/file/megonesirul.pdfIn PDF document text
- http://underbutter.cz/download/foto/wigupegobu.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/e63b4150398b66e3d91855686478e88d/38898379505.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfcb2ed8d3---21043360303.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/d64fb26e60c021844b84fbd29f58492f/jowugibutovaropomo.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbfccea828---35857100133.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/potozitaruzefifikawan.pdfIn PDF document text
- https://maviet.vn/upload/files/lamifosisine.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/09/11/16185874166.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/pumasezuka.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16138624d05aed---94733849952.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/fiwoxipowipe.pdfIn PDF document text
- https://yellowstonewildlife.com/rezalosuzexodinesib.pdfIn PDF document text
- https://ppuhperspektywa.pl/files/edytor/file/38067404834.pdfIn PDF document text
- http://g-shocktou.com/user_file/file/mekopojurid.pdfIn PDF document text
- http://phupmirpol.pl/userfiles/file/64157799147.pdfIn PDF document text
- http://ottomaniantextile.com/userfiles/file/dimurilixobixomojike.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/kimafepuxaloxejiperol.pdfIn PDF document text
- http://tnslib.su/userfiles/files/gigevolufikadowaxiwob.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b9e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FA | 10684 bytes |
SHA-256: 6946b0bb495eae10c4c5f2c17aed6802919070c56fd824cde196b15bb50b8542 |
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font_02_sfnt_off0000ea7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7B | 18828 bytes |
SHA-256: 19babf7ba5d5a5539f991c8a01440bdc7d8ed3d5e6853285fac868bee7b553ad |
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