MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to other PDF files hosted on compromised websites. This suggests a tactic to distribute further malicious content or manipulate search engine results.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160872825ef67b---97789504853.pdf
- http://outspokenholland.com/userfiles/fckFile/20210615025911.pdf
- https://chief-moving.com/editor_upload/file/83306632756.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354ab11b4b6---kaxoxonakemo.pdf
- https://kmkmekanik.com/upload/ckfinder/files/mulozut.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160728ed86922f---55864158789.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/e3vf6sis1pfhjp10876qtvps9n/54158832371.pdf
- http://bannermaul.com/userData/board/file/36517167503.pdf
- https://magyar-logyogyasz.hu/fileok/file/45116104952.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ebc753306---39645887820.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/9b8c58143e9f38e3cfb471e0d2144e5b/xapejosamafonupuz.pdf
- http://garderoba.sk/images/_file/daxuwozosutabetavuxufevu.pdf
- http://ewhamd.net/upFiles/ckeditor/files/kulajaruvan.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/3of1h6rmhg7d3nu1ua4jrkhash/49884481418.pdf
- http://vet-arrighicolangelicristilli.eu/userfiles/files/nonarepiverugima.pdf
- http://rothemtour.com/FileData/ckfinder/files/20210822_4C022E178D5D8FFD.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6327cf3141---gafakajawubebokosife.pdf
- http://lanaecoloridabruzzo.it/userfiles/file/93261742474.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/b863144468dd1cedf8c1ce18e21cac54/56920087719.pdf
- https://vidaleve.net/ckfinder/userfiles/files/48143925575.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2b2bcc443---14577226805.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cb7dd3e1a---moxebilekutezubule.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/mtcug6ddnjn6af9h9tcm3ho1g9/29370815445.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fa42d8282---loronibaki.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=cbse+class+4+english+book+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_off0000bb09.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB09 | 16792 bytes |
font_01_sfnt_off0000d31b.bind3b7552d13d5f81ed8d9861678cd825a6544d4a694cd02bcb601351390e18d1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD31B | 16728 bytes |
font_02_sfnt_off0000fe2b.binb3876c7f24435aec9e398104b22ae2e89ebf6e252dba198e7d64b2c06f79568b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2B | 11040 bytes |
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