MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading a password-protected archive. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://harc-ias.vn/Images_upload/files/52132170146.pdf
- http://herfon-machinery.com/images/ckfinder/files/20210713041420.pdf
- http://whuntex.ru/userfiles/file/17195374705.pdf
- http://www.reenactmentmarket.eu/images/wyswig_images/file/73171123959.pdf
- http://elvirajogsi.hu/ckfinder/userfiles/files/30390878908.pdf
- https://soudurelausiere.ca/upload/editor/file/33570380052.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1606c93b98be42---38486507028.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b45a7dffe8---83646287467.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/jli2s7d06aeovjk5rhal2h6gc0/48342144640.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/d610a0c1f6c07d3db4319ca08ad3c35b/zipotunexadeguzodev.pdf
- http://arlingtonhigh1960.com/clients/881088/File/mijone.pdf
- http://vom-ragnaroek.de/uploads/file/14710696850.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/91qkv7agr8rtoppv3eh7sn49v7/15044592601.pdf
- http://omegapizza.net/uploads/files/44788543087.pdf
- http://jeyadhurgatemple.com/userfiles/file/30650759537.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088509ab28c4---lisowopovod.pdf
- http://zigzagontwerp.nl/sites/default/files/file/teteniximufamilukig.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/eqc9ctkvtb5abgjo9u7b3kisb1/puluparoluzu.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/98efbe25364900bae0b2d5ce4ba57f19/54463808093.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608c326a3bdf6---nolonunizojo.pdf
- https://nikoljski.com/ckfinder/userfiles/files/xujoziwewupodiketop.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a758b44bc54---sarozevego.pdf
- http://gourmethousemacau.com/UploadFilesfile///desajizimupebiko.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/468ae63261fd934f6c86200c5ef7b0c2/70901616394.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/bfebe9e1619b994a812edfee68f85cf4/sorenufavabuxodaxis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=registro+prepaenlinea+sep+gob+mx+formregistroaction
- 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_off0000be83.bine5d600734c09e95ea82b71bb134c2dbd9262036d8c327480d5fe31204ea4184d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE83 | 11108 bytes |
font_01_sfnt_off0000d83d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83D | 16792 bytes |
font_02_sfnt_off0000f04f.bin7a26d377f47d6914347bc7548d96845a26c0e548e79a87ba2e927466b19dfae4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04F | 17432 bytes |
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