MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous links, many of which point to compromised WordPress sites utilizing the 'super-forms' plugin for uploads. This structure is indicative of a link farm designed to obscure the true destination of the links. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/14076ff0d684f1c89f8e251e2ef55940/6723309361.pdf
- http://www.reenactmentmarket.eu/images/wyswig_images/file/79897709517.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/66d86f0698146284fd374ee821eb1660/gawoluliro.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/819730bd678e4af605ba53b1145e6da2/junelomosisaru.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/8f5390dc2766d539efcfd8e866be4e8f/lupiwirilomoxixu.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/50887ed621601e52c022aeb449f99ff2/palenanesebebofefo.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/00be846032d83737e19a547457742e57/99107735095.pdf
- https://baoholaodong24.com/userfiles/file/74255563569.pdf
- http://bsinteriordesigner.com/userfiles/files/sagotob.pdf
- https://irepairplus.nl/app/webroot/files/userfiles/files/70639019965.pdf
- http://sskj.pl/userfiles/file/jodekivavigurixukemafilox.pdf
- http://onlinemidias.com/ckfinder/userfiles/files/xufurolevakemovebobisir.pdf
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/51fv4fs5ppadd8u8bhak30o7ul/44184462173.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/8709ff4fe100528f33df2d12fec4dbc4/67760535235.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/fqkcantcpk0sgt4u4tifgpgd71/41966984667.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/5cfbd60f4999a4e04acd72a0205e4354/xeputiziwoborizi.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/48315f23a24050c7f85012c364202327/18755157110.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/cf53c0le9akvr69v9109vgusvr/rataxisifaribososafawoza.pdf
- http://amuseonline.com/absite/userfiles/file/98388024467.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c856152e23---xowadubibipi.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e7c4bef2bf2---84585252844.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+the+humidity+is+measured
- 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_off00015345.bin8446a6cf294aff3b95c8137cc70d4143d40645390d7b4cf8a756cb917fb8cb82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15345 | 10656 bytes |
font_01_sfnt_off00016bbb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16BBB | 16792 bytes |
font_02_sfnt_off000183cd.binc8a71d0cbc90fb909fab88dcfa6c6b1f13a544c66b5e6dab3517d5e4f5a0d1d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x183CD | 19660 bytes |
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