MALICIOUS
156
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. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for phishing or malware. The presence of external URIs and link farm heuristics strongly suggests its purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://chcial.ru/uplcv?utm_term=angel+azrael+in+the+bible
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608245c44481c---74805787282.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/8253d015e8eac555ef8ebfa25bcbd36d/rejara.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e76cd47e9---gepojojuj.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc73090438d---godopubijezedefoxukufudom.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792618c714f---48419104675.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6fab11f825---91097039641.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089de970cc1a---dugawupuzipizigul.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160856d01e97fe---21933036625.pdf
- https://efnnma.org/files/file/61766573126.pdf
- http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/migomipubuvogojokaxorazo.pdf
- http://opusincertum.it/userfiles/files/papizomowotapokaber.pdf
- https://isagrinio.gr/userfiles/mavixipi.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3350cc421---69621107301.pdf
- http://constantemail.com/userfiles/file/1627045177rodazavosorujajalosuzuge.pdf
- http://goref.ru/files/file/vifuluxogusa.pdf
- https://epiphanych.com/images/file/95314419494.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1aa195064---19634638366.pdf
- http://oilandgaswork.com/userfiles/file/45053530115.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/8fa02aa42eb880690a3284adad6425c3/23524445625.pdf
- http://dainichiji.com/upload_ckr/files/norejulapaduloxuk.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/aeafcb33064108bfb3ea4735a0b2847f/70076438893.pdf
- http://highgaincomposites.com/img/file/202173032440.pdf
- http://tv-sat.cz/userfiles/file/38172798613.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/r9uoo06ljttcrp39rq6b0oae13/54817684475.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_off0000e338.bin3bc23db9f6ac5aab7351aef4d43c32ba9ed2f87108d849813d80e3dce64669ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE338 | 10280 bytes |
font_01_sfnt_off0000fa50.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA50 | 16792 bytes |
font_02_sfnt_off00011262.bin02ab735d8cb4081ae784a30e00637887d30df530af93cf8bfcb62e91ab096ecb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11262 | 21336 bytes |
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