MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are part of an SEO link farm designed to redirect users. The primary URL, 'https://nipisod.ru/wix?keyword=yamaha+mx61+v2+user+manual', is presented as a user manual but functions as a redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://nipisod.ru/wix?keyword=yamaha+mx61+v2+user+manual PDF link annotation
- https://static.s123-cdn-static.com/uploads/4457838/normal_60083607344cd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381752/normal_602df159e81cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393193/normal_60135fd3c46bc.pdfIn PDF document text
- http://ctuxuu.com/pista_de_carreras_para_imprimiryo94r.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424997/normal_5fd64ef0df741.pdfIn PDF document text
- http://fredo.run/onkyo_hf_player_app_reviewmm2g4.pdfIn PDF document text
- http://pannochki-art.com/ceramic_materials_science_and_engineering_exercises_answers64mad.pdfIn PDF document text
- http://bestplacefor.rest/77050737017mwou.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462678/normal_5fdc78b59ae4a.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6632aaff-1fe9-4f1d-acb3-7d444e457837.filesusr.com/ugd/ce4b7c_3e7b4701209746318ed9e73dbb99a82f.pdf?index=trueIn PDF document text
- https://ac734925-007a-49fa-9a6b-2340142042ec.filesusr.com/ugd/ea78e0_2f61338bedb24bcc900e2d7fbd225d7d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fojaxexino/bejeweled_2_crack.pdfIn PDF document text
- https://s3.amazonaws.com/vabemavuputenif/39593011274.pdfIn PDF document text
- https://170d08c7-2527-4f8e-8bc4-cf7f6ffab704.filesusr.com/ugd/afe24e_b86b418ab8314e8f92050f1607b821b0.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kavugusepe/wexawepumapojeri.pdfIn PDF document text
- https://s3.amazonaws.com/dufekifaral/bengali_cartoon_film.pdfIn PDF document text
- https://59e5a08b-0d8d-455f-a3a7-35a3b781ab3e.filesusr.com/ugd/784815_06f45b122ea44067a15e57e16bcf1aea.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/how_to_setup_a_cradlepoint_router.pdfIn PDF document text
- https://s3.amazonaws.com/wavunot/panasonic_kx_tgp550_ip_address.pdfIn PDF document text
- https://s3.amazonaws.com/tojazudibumogab/remington_14_inch_electric_chainsaw_chain_replacement.pdfIn PDF document text
- https://6376acfe-5884-4251-b3d5-19a03c044549.filesusr.com/ugd/de3d83_50a5e73afe3340c8b79015d9ec3235ba.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/werowibovezoje/55387884079.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13277 | 1684 bytes |
SHA-256: 51fdace8bd53b7d2e6af2c0ab3a57c298b99a0f760d42a36c32010743562cd6d |
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font_01_sfnt_off00013adb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ADB | 5352 bytes |
SHA-256: d6a8bd00962f9a1afd301ac20bc90a466c3809280ca3c9e3db954c92a35c1259 |
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font_02_sfnt_off00014cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CF7 | 11112 bytes |
SHA-256: bf78053c6dbad92765cf42ed9578f71afce83333f93d3557c407a6f223bb7930 |
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