MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://irlanc.ru/uplcv?utm_term=brown+colored+urine
- http://littlepearlspublishing.in/data/eimages/file/2123533541.pdf
- http://www.motorradfreunde-toggenburg.ch/up/files/jiloda.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/aeabef2e675ff0445a73ad01fed450fb/wolirudalodetepenuzepelo.pdf
- http://tms-operation.com/upload/files/vafoxutilifowu.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3d42b7b83---96120785311.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7f09cefb6---44114116388.pdf
- https://bloomlight.pl/_bloom/file/xaxufa.pdf
- https://egyptsuntours.com/userfiles/files/xewewerozoxebijuti.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160758f5548622---30374951045.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f7a58e6aa---gusozatepebuje.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/1clr49isji1g7lkeihu7i83d16/muvusaseletomeditiniziza.pdf
- http://fullx.net/files/47597656188.pdf
- http://podiummoda.ru/userfiles/file/74840186339.pdf
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/f400778fbaf5f50db8a941d199c1969c/64535765215.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af743b3ddf4---5928557989.pdf
- https://emauto.lv/index/images/up/file/gazekuvex.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb53d00258---someluwezemeterexoti.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/2d5047d01fca6c302b4cebde9a9993f3/xerit.pdf
- https://juegosinflablesarizona.com/files/97746130016.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/a138e90dad45f95775499b866734e504/45156981163.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a79d66942bb---tosomoninime.pdf
- http://szentdorottyapatika.hu/files/58124409615.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_off0000e842.bin265a1a1ae30f7d76b9f729f74fe0051b5a3a368bf7c435b2bdf0295606c0191a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE842 | 10172 bytes |
font_01_sfnt_off0000ff21.bin4227ff2b3b05f34ee76850fb436bed37b610c8c4663b6a4f732f819646fac80d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF21 | 16140 bytes |
font_02_sfnt_off000128b6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B6 | 16792 bytes |
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