MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised WordPress sites, suggesting it functions as a link farm or redirection mechanism to phishing or malware distribution sites. The PDF structure and embedded URLs are consistent with a phishing attack aiming to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://laborke.ru/uplcv?utm_term=smallest+planet+in+the+universe
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607eabc721e29---13473647205.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/a7849a9d8ec585091694dfc43d8cc3f5/jikojejusolutubap.pdf
- https://medosojewellery.com/userfiles/files/forabigokoxegavupa.pdf
- http://bobiniauto.com/userfiles/file/sugigetexadoxu.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/c92dbffa0e31efbceb5c66ff700e7ea7/90861799369.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607dac500ab34---winetexenonap.pdf
- http://fusen-es.info/yamituki-n/uploads/files/rodaregatubokuvuvexewuba.pdf
- https://biocoils.com/img/file/50885901125.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5aaa39f33---zujurax.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be8b8153b43---27623295155.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/pbt74otnssc5ukdkifesv4pe66/wofowupinikepe.pdf
- http://gidaero.com/upload/fckeditor/file/xosomores.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609460a8d48e0---51857922564.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16096057ee7596---levesemak.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077eb55020c8---61452968558.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/8hjtiekin70341aida0jfhred0/16516175829.pdf
- https://pt2-turbo-j3t.com/contents//files/lizudekoxoxawidere.pdf
- http://ruoumoc.com/upload/files/75365472347.pdf
- https://olivierdaulte.com/ckfinder/userfiles/files/jibobalatolaw.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bca5d186c9---fidixelopekib.pdf
- http://mwflower.com/upimagesfile///jonusow.pdf
- http://lhsclassof68.com/clients/73441/File/94403579924.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fad2.bin338cc954a946a7fbf70b29c55d5e66db99b2ef151e94d540d22e7b387f44db23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD2 | 16232 bytes |
font_01_sfnt_off000110b2.binb9b665d92f9b035bde10a6e0a96d675c2ce1fee65ccaa1abc81bf7a1518350f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B2 | 10640 bytes |
font_02_sfnt_off000128d0.bindbd4f52b3d7cf1595f0b765e3b1dc6489d2a223a3d0be8a73f5dfb31f0123c1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D0 | 18048 bytes |
font_03_sfnt_off00015838.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15838 | 16792 bytes |
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