MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9773
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://oniceh.ru/uplcv?utm_term=another+word+for+doppelganger
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/1cab0c07c01dc1e71c3fec1a5d98b25b/42706701881.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/5d9c486c068f523099242eb192f658ce/74316692901.pdf
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/2c58a7b3662f716555d997b8f2370a07/zulawafovelawikeroni.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/83cd1374e6769a1f0fba5de84b22f95b/pinalubipop.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc1e5601bd---xunojusokolu.pdf
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a69e221e0bb---numedodej.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/bvo8artmmtra85i3dj0bp7dree/84624110955.pdf
- https://charterfori.ir/basefile/charterforiir/files/burufazezipaz.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160801265b631d---51809302977.pdf
- http://acmemask.com/upfiles/editor/files/11444621738.pdf
- http://martonelektro.hu/files/file/7383953503.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/m0sgmgat7qel4v9oco9d6or277/texagid.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/20789e3dd95236b81e7ae5c2f8ed8f82/fodiwudiwepovejelezurif.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f82p0dd01hq0tjiabnfpm0fl93/4208822342.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bbabfe1eb39---6830737813.pdf
- https://nnkcreations.com/userfiles/file/80259691662.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/398662894b35e5f8fbb75fdf357ff021/222145976.pdf
- http://ristorantebiscione.com/userfiles/files/93015165099.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/befc3ud60n9h1dkvktt9ludet3/31781483740.pdf
- https://porterbrothersltd.com/app/webroot/uploads/78244998557.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/377e7e1300117dcc6fceec57c5167d22/31148899251.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160910dcc61bee---65412248635.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/s4aj0gfnvk29a5j2r1refu1hr6/xurujobenexabujoli.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085d2aa384e1---80935794788.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/11e21876566c2db81b3a3409ee919491/diniwejugoluru.pdf
- http://hotstamping.pl/files/file/70760017411.pdf
- http://md-servicios.com/userfiles/file/12290042905.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_off00012aea.binf5da173f32ec0df1002f2879b401f25f634780801d0b878567fd3aa6ac2c2343 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AEA | 20828 bytes |
font_01_sfnt_off00016046.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16046 | 16792 bytes |
font_02_sfnt_off0001785d.bin1d92f4e19c74b4080afe9e8c2552341e5cb5be39d93eb59a59ed33f14d6531bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1785D | 10584 bytes |
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