MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to various domains, many of which appear to be compromised or disposable hosting. This structure is indicative of a link farm designed to distribute phishing lures or redirect users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://toastwarenhuis.nl/app/webroot/files/userfiles/files/widenelinemefixefu.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092efe56e365---69786237013.pdf
- https://aymsoft.us/aym_image/files/55991952878.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609643c1a5211---gamatupobunej.pdf
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/97561837629.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/92db0a2b471c7153d380ddc5da088499/junekewefidudugebemo.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c83a2215a78196fcd976992f24293254/21865884967.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78c6498484---65383881256.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608869b2a7289---tuxomokidovaxafizavupo.pdf
- http://jrmhandling.nl/upload/file/75131040338.pdf
- http://apsencollege.org/test/fckeditor/file/23647845043.pdf
- https://thegioidongphuc.net/ckfinder/userfiles/files/waxiwotasufupevuzawarur.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f28bb5f267---daxerawujodemesi.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b19643c8fb---safukajaguzasamovi.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f9df05e9c---79441885361.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cad93ebff9---vesopidafakap.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081053271956---wufiwuv.pdf
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/e33c313c46bb543ceddfda4a007657fa/55665008658.pdf
- http://dokumsuzgec.com/userfiles/files/terereli.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f593220b4f---47357752040.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b80be292e31---31182258115.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=god+help+me+be+a+better+person
- 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_off0000ecb0.bin1af994602366bd822cfa87eaf53cfaefcd989c29235a53b66bec216d629d558b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB0 | 10744 bytes |
font_01_sfnt_off00010507.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10507 | 16792 bytes |
font_02_sfnt_off00011d19.bin35c5c19b67baff84e6af55c907b3b099f2b5149903426a1846b1644b0a3b7ecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D19 | 18244 bytes |
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