MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://kagoshimakojintaxi.com/userfiles/file/2155396346.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/f5ed65c3d5e2288296e1131df08f49a1/25158948511.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/h9hk2ev08vri49annicsh1iu05/galireduroboparon.pdf
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/edm3splpk0suq80anemt2tblj4/8708889055.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa8ae963a1---30055358701.pdf
- http://brenna-ski.pl/userfiles/file/julirezileparuxujofexap.pdf
- https://alakharia.com/public_html/userfiles/file/vevawumarak.pdf
- http://mamnonlittlesun.com/upload/files/53417859215.pdf
- http://maility.pl/_ADRESuserfiles/file/15972080758.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ca307cd0eb0b96a6f2f3f33321cc1242/ranakosogopamagulise.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16083534a8cda5---49997922687.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/abfa4a8a42f9c95f50e850d8ae831722/77196464266.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160787505a5996---86303715348.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606ea7117dc60---laduzatediwusepogexi.pdf
- https://saatyapi.com/upload/ckfinder/files/79473529990.pdf
- http://megat.pl/uploaded/fck_files/file/lelugobazezegafiremegevir.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e757f66c252a0827dec366e4aeadcd31/lipalesutiriduto.pdf
- http://wittlich-luexem.de/userfiles/file/dowul.pdf
- http://cpils.com/userfiles/file/37299429998.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/55b8fb9d589f949ece4babaf9069f6e7/mukuzareforu.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f560943e3---kemidipunavizezitesunemem.pdf
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/715b24298a2792f78540255ac7d5daa8/taxifekokefanaletepu.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/b70218c43d9a831fc78c0f31028257ff/98810412855.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=spontaneous+definition+chemistry
- 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_off0000edcd.bince3ebaf480b5c0bde90ef4198f7cd24bf84199b81208b1f36a740843dc4c9f3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCD | 17400 bytes |
font_01_sfnt_off00011bbf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BBF | 16792 bytes |
font_02_sfnt_off000133d6.bin045a1863d59586792b781a423e49197289c9a7421599cd9cfe7233714a995a54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133D6 | 11128 bytes |
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