MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to compromised websites, specifically targeting WordPress upload directories. These links are structured as a link farm, likely intended to trick users into downloading further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/161305eb4764b8---demaromenabotobefunog.pdf
- https://matfplayer.com/calisma2/files/uploads/mubokufudotak.pdf
- https://produktybhp.pl/pliki_user/File/rabafikiliwedisinunuz.pdf
- http://ourpreferred.com/userfiles/files/35543392288.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/cefe361b739210c776f0f60468014010/51330073667.pdf
- https://www.autopsrus.com/ckfinder/userfiles/files/faguma.pdf
- http://csc-028.com/userfiles/file/20210908145933_h8hvzx.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161394162286bd---gebagaraminoguzefudusiji.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/0b1bfebd3398b0be2abdc61ab0f8d7f7/gutasuligomezilejogofuxi.pdf
- https://vannordenvastgoed.nl/userfiles/file/teloretofotipuvas.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393da6e9f8e---95278193181.pdf
- https://inwestorfinanse.pl/userfiles/file/57562112372.pdf
- http://bud-med.eu/userfiles/file/niduguwa.pdf
- https://profitaler.com/UserFiles/file/79666320968.pdf
- http://ganteltechnology.com/system/userfiles/file/74598755396.pdf
- http://imssp.by/data/images/fxeditor/file/goputobonobug.pdf
- https://dzido.pl/userfiles/file/33313389380.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/8c47ee963df78e9d8f5452c67ab75c87/kirilubelogasaxamibijexi.pdf
- http://kleni.cz/userfiles/file/14681319887.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/shaipu321atf5eq5em8a940qua/8055652268.pdf
- https://billard-hauri.ch/userfiles/file/79994269777.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=temple+run+download+pc+windows+7
- 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_off0000d4ca.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4CA | 16792 bytes |
font_01_sfnt_off0000ecdc.binc695e0ff6b77882e67bd220f6b738c5e748d9e9a5ad1df0c0560695e02571cd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDC | 17076 bytes |
font_02_sfnt_off00011889.bin98e3ec4e5be21072b437a0599b9f27158fa4fdd03b1a26fce0cebb6be5d90c15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11889 | 10776 bytes |
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