MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. It functions as a link farm, containing numerous URLs pointing to potentially compromised WordPress sites and other domains, likely serving as a distribution point for phishing or malware. The presence of external URIs and link farm characteristics strongly suggests a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://krisoc.ru/uplcv?utm_term=watch+hobbs+and+shaw+online+free+no+sign+up
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/45b94dea5ff05f772ca4a4d29fb5f540/23503986020.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/6a7240b4c65e3fd7b0e29017d24a6e40/54373267483.pdf
- https://childconcern.in/trila/userfiles/file/14984873962.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e74f83f88---87033889453.pdf
- http://reicar.dk/userfiles/file/22579238695.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083a4b0764c4---palajitexekimel.pdf
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/b94430752798cb0e9b3807799ec79ebe/8219231765.pdf
- http://eko-inwest.eu/upload/file/30156189535.pdf
- http://51-lq.com/userfiles/file///rinaronofelevatipinubi.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/0373fcb318f77b63cc75092ab7db0857/56281867762.pdf
- http://anhuifan.com/upload_fck/file/2021-5-7/20210507060524578742.pdf
- https://tractorpulling-emmeloord.nl/upload/file/12321587578.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/4db3cd664007892f77b9000b46441f44/rusim.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb010cfc41---86550316801.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/t3bpd4c9d3n03i2sbes395b860/17371613578.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5366e691f9---paxifas.pdf
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nafogakorudabula.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0563ce1cc1---muviziwezivitobojujo.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/8428228fdb579256ad0d2a4e73651bcc/ninugulirirexojuxanatu.pdf
- http://sammyuriasproperties.com/userfiles/files/77614985096.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/6nv73qchvck60jrd5hsmf4v746/lalabikatalom.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a607f5ce529---98405138356.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609eba734330f---zekijofimidepowamumoba.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_off0000e95d.binc0f54cdd899e0503c8cdf43ab65f40ed186ed18bd2d903ac6326409805ce101d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE95D | 11216 bytes |
font_01_sfnt_off00010339.bine34ca414e60695ad2c5c7f907fea1430583ee1bd3660c3730440f58ce94a2c93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10339 | 18052 bytes |
font_02_sfnt_off00013263.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13263 | 16792 bytes |
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