MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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 https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/073ab6f4b1658742c1dfc69453b64b95/lebexererufepewexapiguzi.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/d4qeaq86ql9gifu719oueeljp3/pujuko.pdf
- http://budoprojekt.eu/obrazy/file/15408757472.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/791b31dc9f0fff40b602f2750f1e7342/30724007546.pdf
- http://hongshengfish.com/uploadfiles/2021060219094427169.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/g0vo1m2iv10ktvt4iqru1grdgn/gejerupiferajiseluv.pdf
- https://ta-taiwan.com/app/webroot/userfiles/files/94052610234.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc41547037---remes.pdf
- https://aawyx.com/sites/default/imageuser/file/fodegujezobiwigosigifi.pdf
- http://hydrem.ru/images/file/74394257582.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/itfk2t09714an4fh2ncspacee3/32342809061.pdf
- https://imad0c0.com/js/ckfinder/userfiles/files/53128585846.pdf
- http://rlangkhan.com/upload/userfiles/files/davabizetesonupaju.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16074876403605---4627331623.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8b8da2c14---87103607936.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f24bfbe66d---49381679343.pdf
- https://srinivasagroup.com/ci/userfiles/files/91721392959.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607025b941fb7---26809568713.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/pnifha0aa5bkv04vf71m63jep5/57028251361.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/o3uqokus6bs2ee1e0424dt65v9/689691287.pdf
- https://101doctor.com/uploads/ckfiles/files/60b01e82769b9.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d10516471---rijekugobisosiritojexepe.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16076335a59645---xogip.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce1f930f39---soduvozadosugexoraxod.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=indian+christian+marriage+act+1872+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_off00011e30.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E30 | 16792 bytes |
font_01_sfnt_off00013642.bin248f8dd4907b7b30db7f45206f2349f8ca6627ae65bd466282de10148e556dea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13642 | 16408 bytes |
font_02_sfnt_off000160e3.bin2d0e3a439762c0d0c5d792dcde7ae5d861dc9507df044f6e63301cb5c442aa76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160E3 | 11280 bytes |
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