MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a link to a compromised WordPress upload directory is a strong indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://aneri12.eu/res/file/mabijabejunizizudagip.pdf
- http://chupanhnoithat.vn/upload/files/74618715184.pdf
- http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/84331461307.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/3qteesutj2je1aaq9tll8e83pd/64364676991.pdf
- http://skomi.ru/img/files/file/96572830919.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/gid6g0kqruddetck9cg9dk9kl1/wumewekolimedag.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/0l8hcj1h98vm0i2h781j4osvm7/43861525657.pdf
- http://caphegiabao.com/upload/fck/file/wukutomajexamedipod.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/lkhn1alcshusjpod2biertcl44/15123504229.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716390e3f71---bokuzogirerusi.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ebe3b1cafc---tisapisuremo.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b699e3f148c---40599199333.pdf
- http://rolmech-strzelno.pl/Upload/file/vuvifuvuxogixejobuse.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/3onvpg9sskbtlu3fouggnajuc0/51906768116.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8184d6c8a3---54858845703.pdf
- http://normel.org/files/upload/file/fixitamigefate.pdf
- http://artospace.com/pics/file/11745291774.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16085d340710c3---kobokajedixideketojitiked.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/40665850819.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/d3282cd97e0ee1688a439f99e2db0e13/27238433294.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/be5trm4evmuoojoojtsl5ruopg/jakoma.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/53aa19fde25d8fda5aeb6217a793a587/sumuwefopibiniwimo.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/7f02810e7107a927c58b5857b7247eae/73397125882.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/bfa6febf8f5267425f255fb668cbe0ba/dereseka.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=excess+of+loss+policy
- 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_off0000e107.bine9c090f1da6f6cf34e7882638ddb80232f23ab903f8ebb78acc46ec72953d97a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE107 | 10208 bytes |
font_01_sfnt_off0000f812.bin1f2cb8d81facb6bf0cb8e49020385fd6addca987ce8af67bbc565040e91d81ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF812 | 19260 bytes |
font_02_sfnt_off00012984.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12984 | 16792 bytes |
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