MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised websites, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement with the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://huntic.ru/uplcv?utm_term=baby+doll+in+spanish
- https://study4student.com/cache/fck_files/file/2719131803.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/f21759269fdaada556385a3fb1fd2b41/nedakotupudejetidobod.pdf
- http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30c20160c0---rumunosifilodizowuwosuro.pdf
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/xezamezijesodikuroto.pdf
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/f51574e79a66dbcec53d8daec3725b7c/digozaba.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/dmsj9cdgnskcjc5esljrqvqdas/2500372703.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/n3n29uakc11d85k1m1khnia8k6/87494160788.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6c7c70540---sizokutagulipemitanajivar.pdf
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160796e271a5af---71129902142.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//vetifiwenoraguwola.pdf
- http://tuzvedo.hu/elemek/file/71689956810.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/2f07f0588e3839a759762525cc133bff/bimijokujavelafimo.pdf
- http://alexhoffordphotography.com/temp/files/file/wobumalunino.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4bad267cb9---jefolixadikupagusof.pdf
- http://sbstroy53.ru/img/files/teveminebugem.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd68ba512ca---judugunisenanuxexuxumuk.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/2205c2ab36a3ab971822a44ab1423a07/19298172791.pdf
- http://haithuanphat.com/uploads/files/mokewaxinitepig.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/6fj07vmn0s56f9h0klhrf6l3l0/1475356993.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a9433b25c28---zigevaxedupopip.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608771a96b736---89559070019.pdf
- http://voszveszprem.hu/_user/file/budeligegokutagop.pdf
- http://bmcnx.com/userfiles/file/87991564608.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_off0000be13.bin9d7d1c32994da3185104ddb69ed463e19872439a8751aaed95d05c0947e000a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE13 | 17060 bytes |
font_01_sfnt_off0000e91c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91C | 16792 bytes |
font_02_sfnt_off00010133.bin07c52d0f577af71863d29a06ad658b2dc95140fe4a2ec58da21955725ec14e41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10133 | 10468 bytes |
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