MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a link farm pointing to multiple compromised WordPress sites, suggesting it's designed to redirect users to malicious content. The primary attack pattern involves using these links to deliver a secondary payload or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/832611c80d997ec1714eeec2dd9b63eb/lumorojedogopevab.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63b80d86e1---34061362538.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/qhnpoo3bgsrhgrk7d6iuf0m2mp/pamowubazapizeratepuvopa.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f223ac4636---gezaret.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16071602c995cd---57534548700.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0c89e99b7---kanojajo.pdf
- http://korvet-sp.ru/userfiles/file/gurozoxilugenu.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/4c76297570ba485d0f3c375a80673920/misogifen.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a46461c279c984d455baaab0af608c11/monugasofepak.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1846f20101---55456244189.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/1p1t8n5thmcmc3fbnf1s8r5ptf/waxozafiwepoteju.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46654ba4b5---doxiratelu.pdf
- http://lhsclassof68.com/clients/73441/File/zoromagovaz.pdf
- https://landbondcorten.com/attachment/file/aa092299a7896e9b90311c9fc369c0bb.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/rmetp80rkkg041f7nf64i2bl68/vudiwuguwuxek.pdf
- https://accesoriosalmayor.com/images/userfiles/file/90442674869.pdf
- http://www.herbertvanderbrugghen.nl/draft/sofefejudaviwamezugivuxa.pdf
- https://soyana.de/js/ckfinder/userfiles/files/vugadokuzapawewip.pdf
- https://weddingitaly.jp/images/file/99229644964.pdf
- https://syteq-pro.com/userfiles/file/19316997740.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab918fa02ca---begoduzixonirirezabinub.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731ff445d43---bofugubewud.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/a5g23niijkf0k0pr3lcc5uj9jr/97009115162.pdf
- http://teormech.ru/teormech/usrimg/file/tewekudamu.pdf
- http://fcv-bo.org/data/fcv-bo/userfiles/file/1516652200.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/0ea612d66b890bd21d021278f0a90538/99780697696.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=still+waters+run+deep+meaning+in+malayalam
- 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_off0000ec9d.bin710ffb53b6cad40da0f762c9a28b2945cadd2d8979c2a1fbd1dae10ee104491d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9D | 10992 bytes |
font_01_sfnt_off000105e7.bin42a864de8c6bcc1774420b1e54a34c12584566f8bdd5360f7d67d1386a97289c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E7 | 18248 bytes |
font_02_sfnt_off00013558.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13558 | 16792 bytes |
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