MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
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://synerhu.ru/uplcv?utm_term=msa+frp+bypass+download PDF link annotation
- http://ewtch.com/upload/files/86460821631.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/wumumurigojoxakudevub.pdfIn PDF document text
- http://alltechsro.cz/files/lujulewuvepujegijeji.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/jiziludotabesesivid.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/2ihobn7an0r9onh6n3bg7vd35r/99765206053.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021982250444449.pdfIn PDF document text
- http://isotope3.pm-ural.com/uploads/files/16147143662.pdfIn PDF document text
- http://nuk-amro.de/userfiles/file/zawuxopajufajovatuj.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/21144010051.pdfIn PDF document text
- http://cheumst.com/upload/fckeditor/file/45881842688.pdfIn PDF document text
- https://www.ccs-corporation.com/ckfinder/userfiles/files/99106919571.pdfIn PDF document text
- https://francois-daulte.com/ckfinder/userfiles/files/52189476739.pdfIn PDF document text
- http://ritadas.in/userfiles/file/46553107333.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/63973595e49aecbecf8694967edf89fc/tifadedupizovowidomiloga.pdfIn PDF document text
- http://unsersohn.ch/images/file/kofawuwibitigiwif.pdfIn PDF document text
- http://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/60134911537.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/81634093937.pdfIn PDF document text
- https://beauty-full.ru/uploads/files/tenoxuxivivifatif.pdfIn PDF document text
- http://aapltd.net/userfiles/file/90798210904.pdfIn PDF document text
- http://www.hussco-steel.com/husscofiles/files/51915692336.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/93319803907.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/22826336392.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/en7250lhovuqi7oahd80qu916r/tejedabozuninazo.pdfIn PDF document text
- https://jetaime-shop.com/files/wafejinu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB306 | 14580 bytes |
SHA-256: 03051e6939a8f077527285c0b40519c05dc2d7cf6afe6e569baf06ac5f9144c2 |
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font_01_sfnt_off0000d7f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF007 | 10500 bytes |
SHA-256: 637dc36f0ef5eb1698f3bc9b34e8b892866f989e67d1bab0cc9730e6aba79edb |
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