MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate that the PDF contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious hosting. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/9j5t2ns50vr146fk7q5o5vf99o/14031064422.pdf In PDF document text
- https://sfasg.jp/js/ckfinder/userfiles/files/68128773006.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/68777014930.pdfIn PDF document text
- http://tomaszfilipczak.pl/userfiles/file/biwopo.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d975a35cfa3---votenanexajurepok.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/7f038c2bbb604b034a703eb61feb48cd/lefulovuf.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/abdf5912b2adca22a44aa1da89dff0a4/13368342384.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/096bb959733b232591c27087eae1e982/75202775562.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160e8cf4559846---58453660020.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/sarekogi.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9f29adf0a---pixuxuzefaxe.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/79208946640.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/d41471e9ede34b65ce5be2363299018c/51601685937.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/dd61188b6d1cfc663d4c3e17bfe0c89f/wevoniwopitumov.pdfIn PDF document text
- https://prosperitas.be/data/assets/file/51695819533.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a106da0d39c---469989504.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///senanumike.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/6e4dfb86780989021ff92157a66b586a/puzoxibab.pdfIn PDF document text
- http://wallacewilliamsfamilyreunion.net/clients/6/66/662ca4338cd1fa41fa93b88222973dc6/File/59390996865.pdfIn PDF document text
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/14837759177.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a18135a2bc9---pikototet.pdfIn PDF document text
- https://www.profiemg.cz/upload/ck/files/41552706511.pdfIn PDF document text
- https://bishopsalamatkhokhar.org/userfiles/file/18196495896.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=electronic+configuration+of+as+33PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000151a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000169be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169BE | 10764 bytes |
SHA-256: f7a99ab80703810073d6482d1e1c67f11a7b6a3e58d212b46906e2a9c47abbaa |
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font_02_sfnt_off000182a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x182A8 | 17988 bytes |
SHA-256: 8acd6e347f707a573aa1eea87fd19ce515f0f929ed7a8448cbdb98afca9a4a6a |
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