MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites that appear to be compromised CMS upload storage, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this file as malicious, specifically as a phishing trojan. The primary attack pattern involves luring users to these external sites, which are likely used to host malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa321a4a701---gevokenanugazexula.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b56ea55f3c---kadorikeja.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/l96su0nu4p0nir1cm7htjeheb6/34472534431.pdf
- https://mabuksusu.com/contents//files/34852222251.pdf
- http://kstarsmall.net/userfiles/file///woxofomotizanumimufowurek.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc7611f245---bonujubenevimomejejiguf.pdf
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/mebajofugiteduteduka.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a661066259c---52573414768.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16090c00695642---1520978159.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a939512ceb---76658236060.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d93ed569610---tofatajimididofej.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073cc3379473---31290904993.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/f78aa64c68535a6370742fbca11d4acb/donafutovonajijofolido.pdf
- http://centromp.it/userfiles/files/65210244509.pdf
- http://jikaramen.com/uploads/files/15462040647.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/843a73ba2058ff3ddd8467d17ddcb9c1/fipuxixav.pdf
- http://dfwsedan.com/nbloom/fckuploads/file/fofit.pdf
- http://nextgenship.net/upload/file/20210623162441260674.pdf
- https://accuratesearch.com/userfiles/file/divixinerewira.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/a77210dccba063388d451ad6795ecda7/gowaperav.pdf
- http://arslanemlak.come/file/83641788824.pdf
- https://aawyx.com/sites/default/imageuser/file/19886798842.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8067d0027d---5638892314.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/b0c63cdca2f926c954904ba1e1071876/34918170911.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=creative+writing+article+example
- 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_off000109b0.bin374d1034a21227d16917909fe5fc1540eb4e7fe4b3c0187b10140ad9dbe08604 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B0 | 18096 bytes |
font_01_sfnt_off000138ca.bin7bd816716b4f7da5253b456a2c76bbf5e569c58c1908f2e7944f20ea2a278e75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138CA | 10712 bytes |
font_02_sfnt_off00015170.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15170 | 16792 bytes |
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