MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to redirect users. The PDF structure and embedded links suggest an attempt to exploit users by directing them to malicious or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://altaprecision.com/userfiles/file/kidosekujasojanikowafinez.pdf
- http://khanaphatgroup.com/UserFiles/file/26292587830.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0140da34d---4300639955.pdf
- http://changdahk.com/upload/puzerubukevasapixagi.pdf
- http://azizolace.cz/images/file/50065844709.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d048d81d3ef---rifegugarefomasi.pdf
- http://say-international.eu/userfiles/file/wasotoviletibetuna.pdf
- https://zifu-tech.com/app/webroot/userfiles/files/gaxogogorazev.pdf
- http://kco.su/userfiles/file/pomewatewidajatejuf.pdf
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/wakuvazidalexej.pdf
- http://kiemtoanhaiphong.vn/upload/files/51776623959.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609a47d01379e---97274740340.pdf
- http://starkhigh1972.com/clients/d/dd/dd83d6d7846a033806cdb512e10d7d7c/File/56980174055.pdf
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/dakivew.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160976ca02f658---26692584500.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5787f2d753---muwovujamudexopofevilufef.pdf
- http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/pigabexuxider.pdf
- http://studiotipaldo.com/userfiles/files/13871148954.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090bc147d519---pesilagafukunanaja.pdf
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/52115126433.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16080c7b19bfe2---8524188888.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075fbe4475f4---3987261672.pdf
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/petagi.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f76a18662084e44e873d1541c8d95160/11449103941.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e85e25818---21490161531.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=swelling+in+armpit
- 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_off0000f643.bin821ca60bac727706cd88f45677977f99d558daa43e5c35f2595716939458891a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF643 | 17328 bytes |
font_01_sfnt_off00012387.bin369a20bb5028f0ffe36e85b1654e3c20841bc8c4d800f3727c44046a13f49b99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12387 | 10468 bytes |
font_02_sfnt_off00013b5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B5C | 16792 bytes |
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