MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://zulassung4you.de/bilder/file/18703711809.pdf In PDF document text
- http://marcth.pl/media/fck/file/fudizemixifekar.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ee486ef65---74351776323.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7030bf179---2009079559.pdfIn PDF document text
- http://didula.com/img/file/69417055781.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/6e0d2e346e425db24d2ec44c68e6e3df/8311274247.pdfIn PDF document text
- http://dafangtour.com/fckeditor/userimages/file/99036181231.pdfIn PDF document text
- http://clinicaveterinariailmarzocco.it/userfiles/files/jutozuvalodetadarasiv.pdfIn PDF document text
- https://abe-rdc.com/userfiles/file/1037053982.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/kobetininujapiruxibi.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd6a83d135---79972339017.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/fd37285230237fb76ae8a99068c85ef5/wapimevonasozubuwava.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a601ac6b5---lepesavagetofoxuk.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/b1637574e5a427e7a5b09b639df0a122/fomisixevizal.pdfIn PDF document text
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/toligikulinefibukuserexa.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/a0a3161959c6eb54b7ea5b9fc99fa704/5226790944.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/pekawijojeguloxomexuf.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/94481198636.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/a93c37d48b7aa3c6b7d99289a2fcc1e2/zemexilemajar.pdfIn PDF document text
- https://readandenjoy.ae/userfiles/files/78175080111.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/e15901a8470bb5f54c4ad92e069312ae/54579494166.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/2vbtqrcn176c9bvhonqt3nmkls/kogapobuwusekuvugolobob.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/3407706370.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=merry+merry+christmasPDF 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_off0000f36e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36E | 10332 bytes |
SHA-256: 15e500142e34fd0c317a230bfbe365ac9286a39f4eccd62d5e6f5bb3017ec4e1 |
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font_01_sfnt_off00010acb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122DD | 18092 bytes |
SHA-256: 0c05d0aea6acb3397feffb6dcba5d3fbfcb7537888f835ab4d81a5e9dc3b5741 |
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