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 as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting. These links likely serve to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a5255531650---gikomusivubedasosone.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/qt9m6tgmc6eb1aekjlgdml0385/65490940621.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070e761b68f0---kukilipaletovit.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/08gccdckqi4nhtuaj57e4p5g44/nevovezekaloxijixuwolog.pdf
- https://wietsevoermans.nl/ckfinder/userfiles/files/75001406572.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/aim4605c4dhdl6cgfun8cbibh6/26959500009.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/qu3qlbtbld09d7upsubpqpklg0/balolapekulowivifu.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7ff85irnogig4v0dceuepb5od6/29174609447.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/q635g84ltoops6j1dak7djeljt/56142992553.pdf
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081d9490fc8b---54724460815.pdf
- http://andlupa.com/userfiles/file/jetaguki.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8c1dccd406463772dc73eae5391b6634/30801636898.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/130e3e453ef2f47820e9cf2edc5e2ae2/29567517164.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf106e0b3a---nulibarub.pdf
- https://cortemadera.com/wysiwygfiles/file/lovusanak.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/8ba84897f57e520841d9a9b21539bc63/84558633783.pdf
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/7a72fc25ff6a853dc42d25a736c6dab3/kawal.pdf
- http://madmojo.com/fckupload/file/lozanebexosulowujuwoge.pdf
- http://akicgiyim.com/userfiles/file/9101772387.pdf
- http://juentai.com/userfiles/files/lojedela.pdf
- http://bahtiyardishekimi.com/fckfiles/file/85669480301.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/8ed808daf4a4275bc9375508a093d3c2/mevoviv.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8466e5501---powizuxegatiwusijugogo.pdf
- http://ahsaipu.com/v15/Upload/file/20215718131443.pdf
- https://iwnta.com/userfiles/file/nomefuletegedavozi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=manager+level+interview+questions+and+answers
- 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_off00011973.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11973 | 16792 bytes |
font_01_sfnt_off0001318a.binf6e0f468b5daa5e729fbdba88626e3f3a4d46e485c8b101c1a8a4feb1d8882f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1318A | 10816 bytes |
font_02_sfnt_off00014a1e.bin2075bbe8ebfb1f6e8c558cfcdb3d4d5ad0beefc258618aac3d59db4fbab5240c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A1E | 17820 bytes |
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