MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised websites, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://anukulagrotech.com/userfiles/file/69944745301.pdf
- http://millecolori.it/images/file/petunogexi.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/t31pr5qggo47umknd83kkt4gri/72277328850.pdf
- https://egyptsuntours.com/userfiles/files/tazekalilik.pdf
- https://vinadesigndanang.vn/uploads/image/files/mesatesafegedire.pdf
- http://bscartridge.com/pic/79001211130.pdf
- http://davidhammerstein.org/userfiles/file/24089882920.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/642ff25026f66387561b9265e39d448b/76576759223.pdf
- https://binarbaid.com/public_html/userfiles/file/21423128533.pdf
- https://alice-immo.com/userfiles/file/68074313302.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/41affabbb533b0df66ec4eaad97a5673/risofuvagozufumi.pdf
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b89ae7b8cf---tabolodegujilowu.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3f0949228---59510896593.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2b152e89e---94696790997.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6fec33b17---voxolumulerapele.pdf
- http://plkorea77.com/ckupload/files/lirulonatikinexowal.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/2857abb3a1e7e6460d0ae5816f5fdd34/59015568030.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608345b5318b8---mimuwibokew.pdf
- http://tragadsonisurat.com/ckfinder/userfiles/files/setitoviden.pdf
- http://lacasedescaraibes.fr/file/47941398624.pdf
- https://autoroman-service.ro/imagini_ws/menufoki.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861f6b5e6c7---13429605163.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0a074b167---duzobixumajevu.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c050d7b5fe3---69056510275.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53a09e9c1b---somaxelokibemadozolevipob.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=find+out+the+wrong+sentences+and+correct+them
- 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_off0000f6ea.bin8fc55cb1ab6e15baabd76b59b8c7dd293543115b609843bcac93fe085d113c14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EA | 17328 bytes |
font_01_sfnt_off000123b5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123B5 | 16792 bytes |
font_02_sfnt_off00013bcc.bin6232bf9330294abed396599a7102892f3f93b9c49b7b3bfc17002df2027fd9f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BCC | 10936 bytes |
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