MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute malicious content or engage in SEO poisoning. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate effort to create a network of links for potentially malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://imagebeaute.fr/userfiles/file/9676111713.pdf
- http://salonorganica.ru/upload/files/zizokujasaras.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922871a720a---88170880248.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45788887c6---71944977789.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/u5io5psnlt2pon89or3mbd0sg7/10744352248.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084652f233ce---zexizitiribilogegemaf.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16083e01516328---11742336290.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8cea2c938d---33087125779.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d3bd62f2b8a---8827222990.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/9eslc1nl1ruaadd2m27cs6k5dj/bazewuzog.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba4653f95d---bojoruxexizosowewar.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/3of1ocq2a6gh3g092hkgru9fra/5611362650.pdf
- http://www.anjhimayath.com/upload/file/jafevez.pdf
- http://anthonyvienna.com/sites/default/files/file/91653013321.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/ab62b6ab295a0c7309398af45bc7b6e4/kefuromajulanox.pdf
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/tabejenefafinokines.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16080b50d6f6f9---631517662.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160807d640880e---45048139205.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5229810e98---96569934074.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c089deaaa---60767791500.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c3b929459---wujajidovopipim.pdf
- http://auksozvynas.lt/userfiles/file/72608353640.pdf
- https://ms01bet.net/contents//files/16760662757.pdf
- http://jncs.kr/page_data/file/20210603190206.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9fd90560b---xufakikad.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a2872c7a1---kalemo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=which+famous+jeweler+makes+the+super+bowl+trophy
- 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_off00011116.bin36e05c8d77fe4a1ecd635dd208e3a95ef66f279af21df2026e91f3625d46dfb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11116 | 17768 bytes |
font_01_sfnt_off00013fd6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FD6 | 16792 bytes |
font_02_sfnt_off000157ed.bin9032ddb6afe80d2bdf127b1b2e40737865ded0ebce2c8bca9b2a6cf72beffcf4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157ED | 11296 bytes |
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