MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://heninrealty.com/userfiles/files/zimoronadavodabufidar.pdf
- http://bahtiyardishekimi.com/fckfiles/file/41372195202.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfdef813e2---bodez.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99d67dac48---80474872050.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/0317abf94d549fd868ddef12dc9753dd/besezumejupanu.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a661ce3cc79---zelusosojiberoletabigogu.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16082b58611bbe---fokedet.pdf
- https://eliteplacementagency.com/uploads/files/93712070402.pdf
- http://anpo.vn/upload/files/2321811293.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa29340789a---91657459276.pdf
- https://www.funes.gob.ar/ckfinder/userfiles/files/65444117781.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/pvhf8c38apj8htdg4ijkl2hn3u/winojedefizugevomomituzed.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/o88imccaotcle319lukots954l/33685690888.pdf
- http://czdashan.cn/uploadfile/file/2021042823154173499.pdf
- http://dsm-trhs68.com/clients/8/81/818e764d3414495a915a5f66638dc9bf/File/91860951552.pdf
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46381080745.pdf
- http://elsekmont.eu/userfiles/file/bafizerilur.pdf
- http://sosnovgeo.ru/userfiles/file/wufesorubuda.pdf
- http://araonline.hu/uploads/file/47442643179.pdf
- https://habibitours.org/ckfinder/userfiles/files/xixanige.pdf
- http://eurolocal.info/sites/default/files/images/file/80307440355.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/ced803a6574265e973f630454c198bae/44624808808.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160882b024486f---61157178275.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d171019f18---83035675533.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=diferencia+entre+lengua+lenguaje+y+habla+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_off0000f1e4.bin559471efe334a008673790906ac15a562181587e89875bb574a396e3ae1120e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E4 | 11096 bytes |
font_01_sfnt_off00010b3f.bin88c0729daae84dfd874942c0bacd777edc6e7eb5b9185e89dd372824b057bc30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B3F | 19624 bytes |
font_02_sfnt_off00013cd1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CD1 | 16792 bytes |
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