MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, consistent with a malicious document delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdb8fa18ee---30184039888.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16087ba0588d5d---16013265467.pdf
- https://slide-bearing.com/d/files/gobafewolorafobejem.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/cbef36b9f4d041c8702267f3697bbb61/gaxuvidarasabila.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/56012522571.pdf
- http://lideparts.com/userfiles/file/1622924419.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f850a5bca2---98173664047.pdf
- https://rumputhijau.com/contents//files/getadi.pdf
- http://emotionpicturesfestival.gr/userfiles/file/xasune.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/k4ifnhbp3nucnmhg1fal54sv6r/dofutofowipituvojuweviwa.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/11f1cq74farii65ojt87mq9j41/40354388072.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd5a13907b---33104194612.pdf
- https://hondamienbac.vn/userfiles/file/koxobifoji.pdf
- https://marcuspietrek.de/MARCUS/files/file/25451686203.pdf
- https://digiconelectronics.com/media/zutekibarulovurowemepisu.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad7b2557e0d---muxagu.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085c37588081---bokuzosapuvemazobadefomo.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbc8ef2554---bajudozesuparip.pdf
- http://stardentalcare.org/userfiles/file/felewezibaxuvalelodapowev.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/768adea9d5b81d6ab01eabafa24c3de2/netita.pdf
- https://rivaflo-south.in/userfiles/files/rirufifebozetovelijixum.pdf
- http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/30026388144.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/rkkt4pk6jqenpl4la5h1f6fgnm/tanabukagegukibepu.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7c64ce3f0---moresakupamotitivabunosi.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/da1678a38962c1153355f996ea862137/21804586471.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=what+causes+you+to+go+blind
- 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_off000109a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A6 | 16792 bytes |
font_01_sfnt_off000121bd.bin5ead71442451cd1cbda003e1f88f9d8f9a6787e13686832698f3d7b02488211c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121BD | 10896 bytes |
font_02_sfnt_off00013ab9.binde1c64580e50b131fc88bdfdbcbd170d367b56a4f98379e79569321d23cf6942 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AB9 | 16712 bytes |
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