MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple distinct hosts, many of which are hosted on disposable or compromised platforms. The presence of numerous unknown URLs, including one hosted on a compromised WordPress upload directory, strongly suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://msinziniering.com/userfiles/file/melurubuvo.pdf In PDF document text
- http://goldcoil.com/uploadfiles/files/redolopopuvos.pdfIn PDF document text
- http://hiroi-es.info/yamituki-n/uploads/files/sevezite.pdfIn PDF document text
- https://livredart.com/ckfinder/userfiles/files/62131993945.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/34209656133.pdfIn PDF document text
- http://tsrmmessina.it/userfiles/files/wazoneketomuwitazitosala.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142854a20204---31345203623.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/zobapasojiwujajetarab.pdfIn PDF document text
- http://yuhuimachinery.com/d/files/vakatigaramoxobazekefujix.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/lepilabo.pdfIn PDF document text
- https://ezastupitelstvo.sk/editor_uploads/system/files/rototofilepunajadi.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/5i73ic9imtjkt81gek1tnd077b/vezubukegazewim.pdfIn PDF document text
- https://vayamcs.com/content_files/files/lovibet.pdfIn PDF document text
- https://pacantioquia.org/aym_image/files/58597560923.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/sotapizupaxoxigarej.pdfIn PDF document text
- http://manilag.com/FileData/ckfinder/files/20210904_6F101F62E5E0A87C.pdfIn PDF document text
- http://bebaldebaran.eu/userfiles/files/masufigigebamitubawuvapu.pdfIn PDF document text
- http://novastal.pl/userfiles/file/kizawejuwudomulizodo.pdfIn PDF document text
- http://roberlo.cz/www/files/file/fazilixur.pdfIn PDF document text
- http://tarnava.eu/user_images/file/90526553919.pdfIn PDF document text
- http://1855-4080.com/userfiles/file/69167235033.pdfIn PDF document text
- https://angkagenap.com/contents/files/3684243151.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/vekogarelobipo.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/1f5d9cd3144588c5112ec860413398ff/vogoxumedub.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/bozizusawawu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=hp+video+terbaikPDF 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_off0000b644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB644 | 10356 bytes |
SHA-256: 880aebfd4d04239e977f3aea3a5baf9aea5cf346f6121de3cc27fbf4454afdfc |
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font_01_sfnt_off0000cd83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD83 | 17156 bytes |
SHA-256: 4499f653a708762b02ff83ec05c7bfef16ac33b86d48eb159b0676b12cde7ee1 |
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font_02_sfnt_off0000f8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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