MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a link farm used for phishing or malware distribution. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the document is designed to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607de368ac47a---74469260702.pdf In PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/gulijiromilox.pdfIn PDF document text
- https://rinducm1.com/contents//files/98062683336.pdfIn PDF document text
- https://fisheaglesafaris.net/pics/user/file/wapugidarelan.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/13390146026.pdfIn PDF document text
- https://powerseas.net/userfiles/file/50171104739.pdfIn PDF document text
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e15b02490---rofudeximokake.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081dd5df3250---dewimodosegufuniwivezev.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/96a7b4886ee153980bf87b16829a799a/5704412741.pdfIn PDF document text
- https://finatwork.com/userfiles/file/dimebosoj.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/11490813925.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608725d4a19ef---diledalogarigogoleg.pdfIn PDF document text
- http://vasamo.org/pds/userfiles/files/56841881059.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5cbe5940e1---26054338559.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/ab8b02038e72dadbdf277dd2e71de9d5/raxoxoxekilunerukorozoluw.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/f16e43b870c9d64ee866aecdd39b1b85/xopipe.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b92d982043e---balurek.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/wizirarojixez.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/58425395834.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/81350743785.pdfIn PDF document text
- http://aimecostruzioni.it/userfiles/files/75813267273.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/d62d86ee0513b0203957a0602db238b9/87989610589.pdfIn PDF document text
- http://heaig.org/editor/ckfinder/userfiles/files/xorixabexumubufuxofojerit.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=autocad+plant+3d+2018+manual+pdfPDF link annotation
- 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_off0000ecf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10502 | 17224 bytes |
SHA-256: e180c6a8c9874b92d38bfa6bdf7caceb2775bede5a387191366142182119a989 |
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font_02_sfnt_off00013252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13252 | 11044 bytes |
SHA-256: a12e4db498b59e8eaeab87b79d3a37f3f0fc04db3ec60e594f59b667ebf70398 |
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