MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external URIs, many of which point to compromised WordPress upload directories. This suggests the document is designed as a link farm to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://archism.ru/uplcv?utm_term=cemu+emulator+android+download PDF link annotation
- https://welltowork.org/wp-content/plugins/super-forms/uploads/php/files/ca787860670558b5696a5e34efb46f4a/92770629561.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35f0c490060b082eb10f151f4fddedff/minofexif.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/49a717692c5761dcf025fc4906ceb6e4/29763850778.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c6cb7d96d---17391131870.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609cae8cd7b71---kitidilekekipafagutopu.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079774f5b6da---94428512489.pdfIn PDF document text
- http://inlygiaylynhua.com/upload/files/48563142546.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/seqjgl9npj3m3p7nrd3a2bkf1m/84675430764.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081727bc01a6---33947973954.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/ihtsrbf4nig66jh5o6pga4afk5/9452769472.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/tptr3pk9s94ajt2euhii16vvah/todizukanu.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/71345d81682b79a0e81369b73c8b9789/dimevanenano.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/16858329136.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e415f51014---pitolowomised.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/61e23df97b02a149d4657da2d6bc4407/33695135255.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7494feca1d---worimubezudivakigowejijo.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/nosenunatarizediwenu.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d45f4c548e0---vemifafuxesu.pdfIn PDF document text
- http://burmeseburmilla-allevamento.com/userfiles/files/tezosojepijuwivexi.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/gqrrekqs8kn5sesu5jrpubm9oa/jedaf.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef9ec76537---62010978551.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9eb0128c6f591e7fa90b4affaf2e6fc5/80857262591.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b04d669f341---tefapalenoz.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/54551220716.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_off000111bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000129d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D2 | 10456 bytes |
SHA-256: ec71ab92ebdad1606d0a59675ff7a9b349d0705cebbf837225f46ce02ac1ed7d |
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font_02_sfnt_off0001418c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1418C | 19132 bytes |
SHA-256: 9c9834631a1f02efe73cfe1481f59aa3871b9bfd97ca56120569413d1f4504e1 |
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