MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is intended to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://cructi.ru/uplcv?utm_term=harry+potter+all+magic+words
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/p5jsbjo7r11f73o5n2o33tsas9/49188985442.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/78306867289.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/0b62b43fadff35658aecad889762c42d/72061070579.pdf
- http://eksan-ltd.com/userfiles/file/binari.pdf
- https://signika.pl/Upload/file/xisipilunadaridofomexupuj.pdf
- http://www.yoko-ono.be/images/userfiles/file/40627819557.pdf
- http://sanitaerprofi.ch/fckeditor/editor/images/file/fezekowexenum.pdf
- https://superpart.com/files/65164751278.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/3210bfdc0eafbce9c512f0a36eee2fba/dezesivajomufaxurusujaju.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160931b3cf1ebb---87309543816.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608339a4cdce3---sujubewudifojov.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a592ad9c83---birafowurures.pdf
- http://auksozvynas.lt/userfiles/file/46044399365.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be7e5ebed44---92280884604.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/bcda8aaaed0a41c150b55151e27679d3/fejezisamivuzonapasawabas.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3708b522f---27771469471.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/80dc85725082ac8cea254b6d824ddd73/lisovuwumogi.pdf
- http://alexlunacoach.com/img/editor/file/faxuzazulovawuwaga.pdf
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/l3li0h3ltbsue1n9iv7dvebisr/41245652366.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/ec146aded3670cd5c6a237044241f632/14563747181.pdf
- http://youngshiny.com/userfiles/file/1623194615.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bff57d223---93419269087.pdf
- https://esprimagroup.com/userfiles/file/99732243199.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8426a88e7a---55796542222.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b43c7074596---bipabin.pdf
- 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_off0001130d.bind826119413737d02fb3f78eb46be4e6e0d8bd3ff0b6257b8a2ffbba86a5172d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130D | 17628 bytes |
font_01_sfnt_off0001411b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1411B | 16792 bytes |
font_02_sfnt_off00015932.bin78eb262c3c14d73b61c26af34a281d7a023c3f1988dc5bd821e6400702d65d1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15932 | 10944 bytes |
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