MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to download and execute further malicious content. The document also features a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute malware or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921714dbebd---xobalolipo.pdf
- https://matteagianotti.ch/userfiles/files/25383526307.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e396bed1c1---42925935618.pdf
- http://patriabrno.cz/userfiles/files/tolizujadaz.pdf
- http://shengnabei.com/uploadfile/file///2021061720292053.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49887b5d95---86614771397.pdf
- https://diedacorporation.net/freesiafiles/file/42053404252.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/6365b07092e7ee14274de68b5dbeb2e2/kasaxoromomogovetude.pdf
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/97040514732.pdf
- https://drsubhashawale.com/ckfinder/userfiles/files/laxakunugibidikanuzakuvuk.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad26285873---74559877883.pdf
- https://chmelo.hu/sites/default/files/file/74566792737.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e631f70c603---83655885453.pdf
- https://al-wesam.com/userfiles/files/44685453156.pdf
- http://sk-massimo.com/js/upload/files/6410967002.pdf
- http://medi-sen.com/files/files/22568842060.pdf
- https://webshopplus.nl/app/webroot/files/userfiles/files/78019705371.pdf
- http://www.binghan.my/userfiles/file/jilidapemezologidomi.pdf
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/9543410066.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=fourier+transform+pdf+free+download
- 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_off0000ee3c.bin236c8c9c1692bcbf996277237f000fb91f5c7cde688915c8fb9770b15f7fce48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3C | 20288 bytes |
font_01_sfnt_off000123d7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D7 | 16792 bytes |
font_02_sfnt_off00013bee.bina98d7455ba6684d295136edc045e13307b684b21ecf6ce1ccb71f08e06423fd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BEE | 10824 bytes |
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