MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS platforms. The presence of numerous links, including those with 'utm_term' parameters, suggests an attempt to lure users to potentially malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tixozarotaduvuminulur.pdf In PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc8edbf6ad---vosum.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/be17826204971431cc0ae1e40528abf8/tabuzabagizunaresir.pdfIn PDF document text
- http://expresskaliski.info/file/74905588480.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/20314d4eb4179b9076ff618f4b7086b2/43372696893.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/kemizideg.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5ba402cdc---14525741149.pdfIn PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/50255488610.pdfIn PDF document text
- https://akemi.ro/hirek/file/51495238466.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/2res1tnequp52qh2cfc04jbna5/7618183555.pdfIn PDF document text
- http://studiomistretta.com/userfiles/files/88744611688.pdfIn PDF document text
- http://daotaonhaccong.com/uploads/userfiles/file/30476171112.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea9070f213---jowokur.pdfIn PDF document text
- https://service-panev.com/userfiles/63992347249.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/49952875461.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f4caa1151ff---41558584585.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5df4019dcbb6edd180a52ba98c3c32b9/fadezukusatejo.pdfIn PDF document text
- https://vandolderskb.com/images/usr/pesosekilox.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/25746914a3a869f22513a177af039e4c/70489139937.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/bafemajadojedagevamegore.pdfIn PDF document text
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/14ec21b6934539a46e66c1ddebe4df42/jixinuwobeje.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/a071be84a6cca1e0847982d833186a93/29134483500.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/db88r8kgro6fr7uka21uenhsr5/19191730482.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/bbacedd09a2c2f0b326d48c1c91e8f3e/kiredis.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=cheese+making+store+near+mePDF 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_off0000bdec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDEC | 10632 bytes |
SHA-256: 66eac1092e1aae7f1427643f43b582ad56c0a9f32b4722e2894f07aee410dab8 |
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font_01_sfnt_off0000d61c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD61C | 18192 bytes |
SHA-256: d6c95e0829dc5c0682966b84f8e8c5764ee62d026176414182a60894b08a04b9 |
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font_02_sfnt_off00010374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10374 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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