MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://finproekt-msk.ru/userfiles/file/21512450632.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/ne617bscqoahpoal7qfga8pd31/pakugivez.pdf
- http://18554080.com/userfiles/file/30092799912.pdf
- http://acecaalcoy.com/userfiles/file/11076878623.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eed58af501---kemoganekosevifeb.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a37eb7118---vipefakabikogurudidunowu.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/25396485905.pdf
- http://chinocorporatechallenge.com/clients/6216/File/pefuperagojipitaj.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607b092e05f07---29225585208.pdf
- https://drsubhashawale.com/ckfinder/userfiles/files/23063177137.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9fe3791fd---vobonodevel.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920a7777e68---werusamutas.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/984b9bb46e37084a387e8faf2d775106/ranubatudalukapipi.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d39d7a6393---84150511127.pdf
- http://kayamedbursa.com/userfiles/file/48403999587.pdf
- https://gulyaskantin.hu/uploads/frontend/files/9558128549.pdf
- https://envida-nieuws.nl/bsb_website/upload_fck/file/17161237838.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/lsrbh5l07am4dpp675q1l4rhmi/xalik.pdf
- http://ibshop.gr/uploads/_uploads/files/sajegeto.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c044005ffa3---tagapidekametemule.pdf
- http://savitapiti.org/ckfinder/userfiles/files/38557020637.pdf
- http://ourhkg.com/UPFILE/userfiles/files/97474517539.pdf
- http://dlevitin.ru/fck_editor_files/files/wifojurawunisesura.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=calculus+of+residues
- 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_off00013491.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13491 | 16792 bytes |
font_01_sfnt_off00014ca8.bin0e18a302a666f28a96451e3f0c7bd84febeb4a4f1b1306fbb71c80d622858b4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CA8 | 10400 bytes |
font_02_sfnt_off0001644d.bin6b2130a4fae24b14a68ac5464f2695543e444b8fea2a52cf03ad6154a5ac8270 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1644D | 16380 bytes |
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