MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links, many of which point to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content or phish users. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The embedded URLs and the heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3356
Heuristics 5
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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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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://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b0096c03f8b---bizafitikezika.pdf In PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085a76285859---74245829458.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/ziterep.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070e91639fb9---12514943256.pdfIn PDF document text
- http://douzonebnf.com/upload/file///4837607015.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e95ed94189a---68082920777.pdfIn PDF document text
- http://lorofilmes.com/Uploads/ckfinder/userfiles/files/28289823633.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/fugadodu.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/2739760890.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/r1ur04qiigcgdm0mes0gktl3q2/befaridizepiwuvazapikud.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d1c8ac22e---tununiwozewagev.pdfIn PDF document text
- http://kp-technik.cz/ckfinder/userfiles/files/77567785498.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d6a17ecdc---miwijabelusasin.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba6ada941aa---juvuzuvibo.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160870def8fef9---4365033691.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/furutapamemifivor.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/kuvod.pdfIn PDF document text
- http://begemot-rus.com/uploadfiles/file/2021071221332973499.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/disenesopu.pdfIn PDF document text
- http://daltan.hu/userfiles/file/27499444027.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/6141ab86b573db070f7ef80c90ad1410/xerogarozejuneruzoged.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a25abe7ff28---rivagilekapefusuxiduzag.pdfIn PDF document text
- http://huucodatlanh.com/userfiles/file/mekufojazid.pdfIn PDF document text
- https://chaplains-camps.org/upload_picture/file/tidelugak.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9683e5efc---xagazamikifuguna.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=the+wizard+of+oz+pantomimePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001d89e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D89E | 10656 bytes |
SHA-256: 54b1783b9d815ab114f30c041cd2a08528af16b4b6fbbd2ee3c4e618e7ae686f |
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font_01_sfnt_off0001f0e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F0E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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