MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms, suggesting a link farm or SEO manipulation tactic. The presence of 'utm_term' parameters in some URLs further supports the idea of tracking or directing traffic for potentially malicious purposes.
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://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098321a656c3---39176931057.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/ttcbjj8mhaup1uvjuu74tfvu4t/72549244509.pdf
- https://motelandratecuci.ro/userfiles/file/88409962399.pdf
- http://stevis.cz/files/file/15715090926.pdf
- http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/21535525275.pdf
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/hcfhf7iaqee06scv3pjkfuani5/51994362197.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/2e3cedca0c50e77469340c2f25e5ff6d/nukobegej.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/jln5hu8bp9pkdr1um2fsi0lgk2/sozezomalobowivemunisumi.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f0d347f1a---larurilisufewaralekiwi.pdf
- http://jjmcp.jp/userfiles/Image/file/30954410417.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/plengtridvra760nbnailpdhu3/bufosibesufokuti.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e93d2ece9---zijobudimevuxupugod.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa96293517---60808004067.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095a9426d986---migagaragudizovemumuzipis.pdf
- http://beveragesgs.com/userfiles/file/4613780549.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfba90155e3---lavenisal.pdf
- http://jyjwqj.com/uploadfile/file///2021052417454827.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/7miaprf2ht2edhepje00c3iopp/83755572955.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f82218b2ca---suvaxoxibiletegixikema.pdf
- https://hmanagement.net/userfiles/file/34834937824.pdf
- http://sghscsjamarai.org/guruhargobind/userfiles/file/95904748594.pdf
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/3b24c4ec358a1c110db53bbab942e5f2/rixulalaziwololudem.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/l25hk48t2mqs72v0e10dfgjsgl/27463919400.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=country+dance+music+2020
- 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_off0000fc98.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC98 | 16792 bytes |
font_01_sfnt_off000114af.bin7ac4acc4673ae24bbe3ec709905df82955cc7f0a394c0e31f21cc7ddd1471922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114AF | 10972 bytes |
font_02_sfnt_off00012e4d.bin4553243338f63184f288a6acace411928a2c7d1b971f89213057c0d42497d2ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E4D | 16888 bytes |
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