MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. No scripts were extracted, but the presence of these links and the high detection scores indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://wastran.ru/uplcv?utm_term=wordscapes+january+17+2021
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/fa552db43dbb46eecbfbcfa04f91188d/17582730201.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2066ec8b52---65345396178.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/071ec6b17ca28ea3ea8433541a4c00ae/72986968580.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6a7d3ec03---fafewenovilumuxok.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/2e4bbc5f3e591b4a50080e5b9257e98d/36493398881.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/pq9nn0l4fn8ftefjskva8lqifi/48570808096.pdf
- http://interiorconsignments.com/media/file/pepadaxabugovapuse.pdf
- http://eko-inwest.eu/upload/file/rivudeto.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/6df4882aca0ed3acb0395da6bf0a10b5/95507222764.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b653e1c138d---dinozixufelugarokobawa.pdf
- https://porterbrothersltd.com/app/webroot/uploads/63507182048.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6239c1506---wanajefunagawewumijuza.pdf
- https://an-professional.ru/img/files/file/rovopikusijixovugisu.pdf
- http://beiwendq.com//data/attachment/file/75709972658.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d2bd3dcd4---75520726692.pdf
- https://rrr71.ru/upload_picture/kinupetevupabatonojunomok.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16073e3b688342---12085131306.pdf
- http://bigband-ulm.de/userfiles/files/64011665493.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cfa7e813e---kofiganodoxufifewilofiz.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/7fd1dda6dc25f0c0f5ed9cd1e1d82c11/77214959116.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/a17e4d7c44ee8f7c02371f5dc229a44a/dutorozov.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091021a12384---22965245579.pdf
- https://accuratesearch.com/userfiles/file/89885515602.pdf
- http://falerisztika.hu/tmp/xoduz.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/pvk8b9g81frrfsdq4qigumf0i0/549939750.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_off0000ca26.bin062a17d29c875c414bbb9694f9e7eba64cf8d58f4a74268e0edb6528ad029a3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA26 | 16660 bytes |
font_01_sfnt_off0000f539.bin5b703acadbe6d173b837d42b848031d364ea5e90438c52960edac5b881102f81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF539 | 10952 bytes |
font_02_sfnt_off00010ef1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF1 | 16792 bytes |
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