MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various compromised WordPress sites and disposable domains, including one using a raw IP address. The primary goal appears to be luring victims into downloading further malicious content, disguised as job application materials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://duext.com/wp-content/plugins/super-forms/uploads/php/files/63ed304d6f06ae97a121b8a72d9aef29/jikatofi.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/9efe0812a088a9caa43386a768b14be5/gibuxakejumuzefi.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/p2hr6rnquarrvriehku19msas6/79749148873.pdf
- https://energooptima.hu/upload/File/87693516141.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609e54d450d40---tefeke.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/8a7df08a6b3343585a9436734bb81a66/poxetapog.pdf
- http://irinaburmistrova.ru/files/lazojekusurimamin.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/6450c7d42076bc977d5463950623ee6a/pakuxepagumemoselokip.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2cb3bcd07a---9813963586.pdf
- http://infunplastic.com/d/files/80328892158.pdf
- http://myhomeinparis.com/userfiles/files/39272187391.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084721470e37---99323672208.pdf
- https://agroadvanced.com/app/webroot/newsletters/editor/files/vijifig.pdf
- http://157.230.241.115/image/upload/File/94674122672.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16086d2384633b---58876902601.pdf
- http://www.deep2001.com/images/library/File/fenedirajedikumotida.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/22lho59uuuucabno5ltf7qh5rh/fifejiximakujotunigilujex.pdf
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/859731126.pdf
- http://pinturasoltra.com/images/slider/files/93705768871.pdf
- http://3e-recycling.ru/app/webroot/filesfiles/vaboxizitiburinarivamomo.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4fe3996f2---53985460212.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/treeenq1pp9jbl63gggnqdaaei/nedegemawapetefijilo.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/92df4d9ab2ef716ef78a5681045c04ae/12590843906.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/201fdadc840e700a16d6230541d06e02/35512440746.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e65b85a0a---86018509928.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=application+for+job+letter+class+12
- 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_off00010ce5.bin654ebcfc81cdf7db66a422120efc2a004f6c94f5c21f8aaaf7947ce7448d54c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE5 | 16700 bytes |
font_01_sfnt_off000137fc.binb07e6587a44a5776f977312dd6bab1ad3d62ee25b9be845dbfbfb2b33b3d1d3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137FC | 10896 bytes |
font_02_sfnt_off0001513d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1513D | 16792 bytes |
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