MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to exploiting vulnerabilities or delivering further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://abnicum.ru/files/file/54675222175.pdf
- http://ulsantour.com/FileData/ckfinder/files/20210806_D7E16DF613AFFCD3.pdf
- http://haciogullari.com/depo/sayfaresim/file/kesewobib.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/7ikbpjkuk0ec310pblq9m8afud/soxosirobeduvabanuzaludax.pdf
- http://palyavalaszto.hu/teszt/upload/file/tebosiwakisomavifezin.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ca0e82e3471d3f9e9558565bb9bb1824/98707921886.pdf
- http://elanaclub.ru/userfiles/file/14667645693.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b107e891611---suxeniganigifupukotizi.pdf
- http://tccsrl.org/userfiles/files/27716064559.pdf
- https://alshuka.ps/ckfinder/userfiles/files/36774201666.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/416d5ae02c8b0d25bd25f22d6925d909/lasudibewijizupanera.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/6eb063a1cc786ea0654971a4214fbb2e/vazamukojeburukafezesoko.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/kovs89mpsav2o2lu2c87q30bu1/61239571465.pdf
- http://uptownfallschurch.com/uploads/files/jatesovod.pdf
- http://reginahajo.hu/_user/file/354992455.pdf
- https://la-klamm.org/userfiles/file/72456904633.pdf
- http://studiodrago.eu/userfiles/files/3417987999.pdf
- http://datong-travel.tw/upload/ckeditor/files/20210808103828.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/16ac9377f9f0f33eed345e7c352d9b10/lufono.pdf
- https://ijpdua.com/contents//files/nogax.pdf
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105091911507076.pdf
- http://atol-res.pl/uploads/file/51372781620.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/kag2kjke6gtk8alt2qv33q12d3/25452364449.pdf
- https://yptea.com/data/fckeditor/files/71843723552.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=all+in+one+english+class+10+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_off0000e4db.bina675a18fce9fc95d98d3dc71d4a2cb0714d3fc381cc82b5fbff55e8afb08558e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DB | 17396 bytes |
font_01_sfnt_off0001124a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124A | 16792 bytes |
font_02_sfnt_off00012a61.bincc7f1e0d8d29a9cbc2689e995a736412901f56ace2ff4497be6f16372a4896fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A61 | 10856 bytes |
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