MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress sites, suggesting it's designed to redirect users to malicious content. The presence of multiple external URIs and the nature of the hosting point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/bf75e2ebffc0c4ae559655b7a2a74fc6/50415292466.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16073ce4d53756---47185740215.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853257204f3---40209118087.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d180aee98---34316978517.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb27a676eb---45830883548.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a77f9956c54---74302023611.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/74282049335.pdf
- http://beastyenergy.com/userfiles/file/jupepafew.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091aabc7e0c2---gafobetemudapufomasuj.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607247f427148---divatugajep.pdf
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/vopiwamo.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da38df4bede---jajuxemubawigawejusav.pdf
- https://wecareprogram.org/images/file/62644531823.pdf
- http://rheinmotel.com/userfiles/file/zufafavomepur.pdf
- https://baongochoa.com/upload/file/51149586425.pdf
- http://khanaphatgroup.com/UserFiles/file/guzizaje.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/86cf71b897b7662d05c831af758f913a/gilamurewufilaw.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/6589d6a98c06f216588a0ac2d9f6ee87/89188342085.pdf
- http://astro2sphere.com/admin/images/file/damifemeturuvibib.pdf
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e9c7b459c---figegaladekutusijogore.pdf
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e347031bd4---zonigexodoro.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/c3okajpkk8mstkij0f3terjlap/92423007413.pdf
- https://actor-conseil.com/files/file/48819751111.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=a+few+hiccups+meaning
- 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_off0000efb3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB3 | 16792 bytes |
font_01_sfnt_off000107ca.binf3541dd8e62d4ef0756f0612f341546df5a9b7b40a2511f05a8e3bb5b64292c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CA | 10732 bytes |
font_02_sfnt_off0001205d.binca17e4170bfda1c1c0d3ba96e981c55831da065e6513249efd4582971dd50a98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205D | 16804 bytes |
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