MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous links, including one with a 'utm_term' parameter suggesting a phishing lure, strongly suggests an attempt to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/57k38s8mpmgdqrhk63a14fbnik/lazutupidopemagilake.pdf In PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/41162276694.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/buxunoputazano.pdfIn PDF document text
- https://curvy.tw/upload/files/suvaxex.pdfIn PDF document text
- https://megatex.ua/images/uploads/file/2835194784.pdfIn PDF document text
- http://3qlohas.com/CKEdit/upload/files/dovelazowugobelinexibu.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/2fc77d240ace4df75a0f2aa270e1c41c/falojenif.pdfIn PDF document text
- http://vibrator4you.cz/UserFiles/File/37156770598.pdfIn PDF document text
- http://dongsimkindergarten.com/upload/files/46238500364.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/70dad19d62020ff16a2167c7742dad44/zitikugal.pdfIn PDF document text
- http://beiks.info/public/file/82771598544.pdfIn PDF document text
- http://4reality.cz/userfiles/files/70252571368.pdfIn PDF document text
- https://shunnasato.com/kebadabugero.pdfIn PDF document text
- https://pharma-tools.pl/galeria/file/muzekikakiludegefidi.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/161386742b1dbb---mifovog.pdfIn PDF document text
- http://speckrepej.com/upload/file/35831621672.pdfIn PDF document text
- http://to-tuong.com/media/ckfinder/files/roferu.pdfIn PDF document text
- https://piti.leaddeehub.com/userfiles/files/pakexumewojeteraxasumuw.pdfIn PDF document text
- https://mirrorlink.com/public/files/files/44229328695.pdfIn PDF document text
- http://permagnet.com/upload_files/file/210903121415388002159nsi.pdfIn PDF document text
- http://irvine.songhakbbq.com/uploads/files/9045315772.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/41367791801.pdfIn PDF document text
- http://pk.mo/userfiles/file/kopalaka.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=vpn+cat+apkPDF 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_off0000d648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD648 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5E | 9768 bytes |
SHA-256: 6251b977ce6b7a361917735221a13207813eb8f2139d187d6e0a883e1c988198 |
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font_02_sfnt_off000103eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EB | 17316 bytes |
SHA-256: 2ee6e2b7b1b1222455b12fd80f2a6e52ba80754dec95726a0c10e80de629db1e |
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