MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to various websites, including those hosted on compromised CMS platforms. The presence of 'utm_term' parameters in some URLs suggests a phishing or spam campaign aimed at driving traffic to specific content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://nomylo.ru/uplcv?utm_term=primavera+manual+pdf
- http://billsky.ee/files/file/tipekunejagagiwawazaf.pdf
- http://sashtraayurveda.com/ckfinder/userfiles/files/bubozonexur.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/6714c2711aa48a312b7d632c2b562796/31511925027.pdf
- http://fatamorgana.fr/uploads/assets/file/punotapu.pdf
- http://captaincook.hu/userfiles/file/72758486937.pdf
- https://quimicasorocolor.com.ve/ckfinder/userfiles/files/lanewolu.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/27luk6o7oi7dgtb2kog6731a54/bagozolerapomixan.pdf
- http://wumag.pl/userfiles/file/zalesamenipid.pdf
- http://fgosvo.ru/files/files/waverorufiriwalukobo.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094b767e02fd---72052668400.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f134428add---panudeninipi.pdf
- https://cailux.lu/userfiles/files/bivebo.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f388075ce50---nebaluxux.pdf
- http://mexxeopaint.com/upload/files/pojotuvafimonebesir.pdf
- https://anmoul.com/userfiles/file/63288611245.pdf
- http://salon-urody-bellis.pl/images/file/55179572473.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095af9d08f13---15739593610.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/e778aa13e4b0dd8044bc6106a6d97ce9/sekakazavoxukexi.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0e39bddb2---favajukalilimipidefa.pdf
- http://chanakol.com/ckfinder/userfiles/files/20251088187.pdf
- http://absolutelyneon.com/userfiles/file/15433727588.pdf
- http://kahsport.cz/userfiles/file/luveno.pdf
- http://short-story.ru/upload/file/potafurevome.pdf
- http://mnogonomerov.ru/uploads/file/87754478387.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607580c2bf333---37565579058.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b79c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB79C | 16792 bytes |
font_01_sfnt_off0000cfb3.bin4ff0fe3d6034b28bd32cfc41384ffda4d731ccf55484cd666da2eeeea1b4a339 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFB3 | 10440 bytes |
font_02_sfnt_off0000e741.binf05bc356c81c2645e849dd0316811531477ed2b1ff1d9dd04f6f611d56f0213c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE741 | 14672 bytes |
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