MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests a common tactic of encrypting payloads to bypass gateway scanning, though no explicit password instructions were found in the document body.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://longhoang.vn/upload/files/44108674005.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/8881070d4b3a17d776387bcc95ab3e95/73333083475.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bea5ef11fa---jafadezonoluju.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a045e5c4e94---10853917167.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd48bd33278---bizodadawutirepo.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/pmj92r8umup8gcv25pnatg9v5u/85637233656.pdf
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608278c2928ce---98222233983.pdf
- https://starbox.fr/img/files/zenunapi.pdf
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/72767672113.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4fae4194e5---89279816357.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759bfdda2c6---milixowidipivun.pdf
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/d543bf165d3deebd52a7a02abe1f496f/99066647049.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/723aae778ac409adce34be7d67702a35/xedajubupiwe.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16080742543c8e---jetivijejogonan.pdf
- http://www.puhito.hu/uploads/denarido.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071017ea486a---manovafowimomanelawaza.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b1175894a---44785417895.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba30114af89---mexuwosunizakop.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/5d8214a6c18a9e31ef7b8ac71311da19/58254160673.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/3763f3039b6436dfaf7a984060e75b60/86966952775.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d6ac0e320---13225030903.pdf
- http://krossinkeuka.org/clients/c/c6/c64aa726effa6776341672ea469011e7/File/nojewaxevirufizir.pdf
- https://ibeguiristain.com/userfiles/files/41132119091.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1d68610b8a---17743321491.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940aeb683ed---benopononone.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/c258c6983f478f9d125c0bc1b232dac4/vufeso.pdf
- http://helder-effect.nl/userfiles/file/teperobuparijubafuzovi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=convertir+imagen+en+caricatura+online
- 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_off0000fcc1.bincef40ab0b45b379bab37d7f2293216b868109b09f44dab2b0e3076bfd2ecdf26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC1 | 18268 bytes |
font_01_sfnt_off00012b77.bind32d36898a7b79b6f81f4b4687d849cae16219df80fa0eb5ea512381e4bce0cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B77 | 10604 bytes |
font_02_sfnt_off000143bc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143BC | 16792 bytes |
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