MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing or malware distribution lure. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'Walkman apk download' lure in the document body, combined with the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, strongly indicates an attempt to trick users into downloading potentially harmful software. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vilenefex.ru/wix?keyword=walkman+apk+download+for+android PDF link annotation
- http://shtangelkipokupkiitd.online/sonic_menu_ice_cream_sandwichcg53n.pdfIn PDF document text
- https://wunanowadile.weebly.com/uploads/1/3/4/6/134600652/vajenopev-xomive.pdfIn PDF document text
- http://moreprodukti.com/fobufub6yyku.pdfIn PDF document text
- https://xegoratan.weebly.com/uploads/1/3/2/7/132712572/a8fbff315eaa2.pdfIn PDF document text
- https://xosufovopoxom.weebly.com/uploads/1/3/5/2/135298930/586064f7.pdfIn PDF document text
- http://lastmarkt.ru/look_verb_3rd_formgilnd.pdfIn PDF document text
- http://lianhua.life/936247792159ugeg.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366347/normal_5fe3c641db38d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466379/normal_5ff899eab77ed.pdfIn PDF document text
- http://triple-doska5.club/respironics_bilichek_service_manualod3y5.pdfIn PDF document text
- http://ubsvp.com/great_jumping_jehoshaphat_meaningyt7lb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/839407af-5e53-4e25-833e-a9a25df233c5/pogakutipor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04754d84-e5d6-4810-a98a-d18afbfc7f1c/tanexuwowowaso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a86e375-593e-4249-91a1-e6ba35d2a724/51214824213.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc874255-e255-4ae0-a8a1-501d518302a1/tolokusisapakitamokidofov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e27d7d6-d23f-48ce-bb34-42598193e960/pozifukakusorunoxifutam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c5a2bbf-b77c-4a04-a486-749774c061c4/what_are_the_key_elements_of_writing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54fc2a46-7f8b-4d8f-b3c1-1a2b8c39e11c/how_to_calculate_power_across_a_resistor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b2861a2-1a80-454f-8bb3-a1cee30f1f36/how_to_get_your_smoke_alarm_to_stop_beeping.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_off000171ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171ED | 5176 bytes |
SHA-256: 1667f849e18d722f060823d0135363cbf30686a4c253b08e01f9b3c65bb6eb99 |
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font_01_sfnt_off0001838c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1838C | 3024 bytes |
SHA-256: f271277bc92c8ec255f016eb89af31946ace6cee13b85d2ca72bafc089855a25 |
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font_02_sfnt_off00018ec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18EC0 | 12364 bytes |
SHA-256: c84dc1cca39ac5cf5b7b70184f1b07acd08c5f1eeb2c3c1c7087ecc199bff7ec |
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