MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress installations and disposable hosting domains. These links likely serve as lures for phishing attacks or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://ural-resyrs.ru/data/file/kereresinatimowukofemike.pdf In PDF document text
- http://01host.ru/userfiles/files/78042283607.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae537531baa---junufejumu.pdfIn PDF document text
- http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/dalinelekigivemub.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/69567147670.pdfIn PDF document text
- http://edeins.com/userfiles/file/sopupoxanevemezagaz.pdfIn PDF document text
- http://konstruktor33.ru/app/webroot/files/files/43089643594.pdfIn PDF document text
- https://euroialinsol.ro/userfiles/file/81473851979.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4857749bd8---dimolefevejo.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160840cf194f65---pikibitefexuxugivitez.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d8e5e17eb---desewe.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/jt5faaoutno7eeosgqos62hipj/71103502402.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc23ee7696---kinozazofawumobafu.pdfIn PDF document text
- https://latework.cz/soubory/sebobupiva.pdfIn PDF document text
- https://metricgroup.it/uploads/file/4370822909.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f12ddd29e8e---nakapitujemib.pdfIn PDF document text
- http://deforma.it/userfiles/files/60221085822.pdfIn PDF document text
- http://yachtandgulet.com/userfiles/file/26394488632.pdfIn PDF document text
- https://togeltop.net/contents//files/19747791264.pdfIn PDF document text
- http://texmet.pl/userimages/file/duxijokexom.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/jojegiduberiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=group+2+syllabus+in+english+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_off0000d931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD931 | 11192 bytes |
SHA-256: cc7a471c249ee125271e2706748206cb8ede62816b6b4741008426ff0d4bb3ec |
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font_01_sfnt_off0000f2ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EE | 17792 bytes |
SHA-256: f8529befd9f3bddbe1a2bad65d2e3d3d8534808ab7c0ae66c148c50116815931 |
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font_02_sfnt_off00011fd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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