MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to compromised websites hosting PDF files. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicates that these links are likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection further support the malicious nature of this file, flagging it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9889
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://xn--80aamdqpfpr.xn--p1ai/upload_picture/nojanudaxabuvizeka.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/jtcsr4v1on4dovll68litfr7aa/wegadaporebivapeb.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ef469ae6ac---82710672373.pdf
- http://fsgpj.com/upfolder/e/files/20210708065234.pdf
- https://haysalon.com/public_html/userfiles/file/74029445876.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752d83f36d6---zumovabedevebinewimo.pdf
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/e09f1dd4c7a43e3b171339fb05075678/zikowalumonuluwu.pdf
- http://unipsyclinic.com/userfiles/file/20210607132459.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7b43f0a72---14531228136.pdf
- http://yonseri.org/userfiles/files/26820375375.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ed6aaf21a6c---57386671730.pdf
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/69431461689.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16087012eadaf9---vimaka.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/rfs1o1gct312utjkf2kc225tq5/26924401158.pdf
- http://klpa.net/userData/board/file/jupotakujet.pdf
- http://kraski-chernila.ru/resources/file/lawoxewun.pdf
- https://cualuoihoanmy.com/uploads/userfiles/file/14813471181.pdf
- http://kappp.ru/js/ckfinder/userfiles/files/12997180967.pdf
- http://eska-lift.ru/userfiles/file/fegigosiwukifajurotibuziv.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/2189da3151d135ec670a780894a81828/31142826254.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/cb89b3e22e706797f5694c75cde760b1/fapejelasanisidazumupa.pdf
- http://shipsupply.ru/userfiles/files/rinowatotinilu.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a482c5e8a7f---xedevavabosolixifutos.pdf
- http://hyundaihungthinh.com/uploads/images/files/80070739414.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d0961995d---vaxolegibo.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/54f0b1b3e0ece0306d49496fc9a9efd4/72188314524.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/ce09e21f97dd811ab55c87b0e43d6e34/99888236445.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=american+english+file+4+second+edition+teacher%27s+book+pdf+free
- 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_off00010eaf.bin476b4c4c9a5e0ef682af1270fae43cbeddea32d19d0450f779f035c5a8e5cbad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EAF | 11392 bytes |
font_01_sfnt_off00012900.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12900 | 16792 bytes |
font_02_sfnt_off00014112.bin5d1fde0443ae22e21f0724fe87e65c866b63ca4ca0e0c16da13b502445ebe698 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14112 | 17664 bytes |
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