MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lead the user to a secondary malicious resource, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://crewmak.ru/uplcv?utm_term=sinclair+air+conditioning+manual
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6dd4f0094---govejafixakokibewi.pdf
- http://analogsys.com/uploaded/file/6144157316099d43b1adc4.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/f8f5b09b0f8cb357b2f7ca371b973df9/loberelekegegiribi.pdf
- https://accesoriosalmayor.com/images/userfiles/file/7398372654.pdf
- http://cattaneoarchitetti.it/userfiles/files/jinaxuse.pdf
- http://vantaibactrungnam.vn/upload/files/batemexolixop.pdf
- https://mangmalungtea.com/userfiles/file/50716521766.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607746868d390---17773263969.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e177ae9cb3---25708176089.pdf
- http://bitite.lv/media/txt/122/file/16116329659.pdf
- http://nguyenthaotech.com/upload/files/4621884144.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ta1c8br7v2v04trmfu8vl3m102/57783713242.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/59f14ej87luba2ons8rr3p69ct/kavidubufewivujekeben.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4f2f412021---83055248600.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/43345818933.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5b6170eef---65004635309.pdf
- http://myucmas.com/userfiles/file/babiturilamote.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf1aa8c4ea---pakifojagusipuwazokemuj.pdf
- http://sanitaerprofi.ch/fckeditor/editor/images/file/jolomo.pdf
- http://envigest.cz/upload/file/sojakoz.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/vujes.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_off0000eb8e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8E | 16792 bytes |
font_01_sfnt_off000103a0.bin789f59f0c49a827e484609d3445878b4b5b9427c0c91a5895c7a30c50632b0b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A0 | 17016 bytes |
font_02_sfnt_off0001303b.bin3eb9c374871353fb9836c8e321bb967e8381160e8ebed8bc8143f36701109d5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1303B | 10588 bytes |
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