MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to compromised WordPress upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=match+the+adjectives+with+their+definitions
- http://denkobarbell.com/_upload/files/fewiwejaxozetupepesit.pdf
- http://nowator-zpu.pl/userfiles/file/22743800308.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adfc1cbd81d---65342024766.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/82789d50d94bb9ef055845d2e031e832/99656373257.pdf
- https://rybczewice.pl/userfiles/file/25422862051.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c35b6e2b50d---32206069785.pdf
- http://gustosandvic.com/ckfinder/userfiles/files/49459469766.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a79f7aa9929---mibevasubigegadolunumogu.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/73c8fe6435564808a13cfc72fd1de443/6523919604.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f15a8c37f---76640462672.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/7f8c46d96d9928a99f9de0edb76e6721/wobitonesuwanubefap.pdf
- http://viettelhaiphong.me/data/dulieu/files/kijagazonobe.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ddsgk43ajg01k7escjqd84a281/lujibomused.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6d8087a0a---sukarivamoberufetomusines.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/31d4f38e7e29c25d071680d376241269/79593518005.pdf
- http://biomisszio.hu/tmp/figuvedigarixagonin.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/1fl7cg5t1jltbugi81a3t6ucq3/gaxubakojifipiraju.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160883f6b68c8c---fanapinusarejababowav.pdf
- http://firanywiktoria.pl/uploads/editor/file/bekoribawupuvozolakakov.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160858481a7040---fixobaxufafigejaji.pdf
- http://kwartetproforma.com/userfiles/file/lofufebukivunepolije.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/c0f4f8b56dd7db7580eccae33886a35e/62957654759.pdf
- http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/goxidotoruregobufupuvuxu.pdf
- https://nepalimodelagency.com/userfiles/file/sepaz.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_off0000f29a.binf957c24c43ce1136e32f0a217b33224c7a49291372939c7126bcad63299aea62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29A | 16772 bytes |
font_01_sfnt_off00011df5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF5 | 16792 bytes |
font_02_sfnt_off0001360c.bin0a4db23d627af580697f6d1350f8fb69ac80f0fced3f674331234a20b18f3fa4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1360C | 10804 bytes |
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