MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a link farm with multiple external URLs, including one pointing to 'nipisod.ru' which is likely part of a phishing or scam operation. The document body, though heavily obfuscated, contains text related to 'Wintv v7 serial number', suggesting a lure for software piracy or related scams. No scripts were extracted, but the presence of numerous external links and the ML/AV detections indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://nipisod.ru/123?utm_term=wintv+v7+serial+number PDF link annotation
- https://static.s123-cdn-static.com/uploads/4370319/normal_5fc8eb710a594.pdfIn PDF document text
- https://kumapeforurimo.weebly.com/uploads/1/3/4/6/134664671/merafewuvam.pdfIn PDF document text
- https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/fovodokedemer-wunebotuf-fudatakax.pdfIn PDF document text
- http://nanewak.iblogger.org/adobe_reader_merge.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472788/normal_600155aa8cb69.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465249/normal_5fe0bb0e67c3a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455380/normal_5fdc3ccbab4ec.pdfIn PDF document text
- https://patewowuxafopon.weebly.com/uploads/1/3/4/5/134595548/4cd31849b1ee03.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387229/normal_6032da1506436.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/d3e8c348-74ad-4a34-a540-d7689b9cc83b/delete_google_search_history_iphone_7.pdfIn PDF document text
- https://07f52280-50dc-49c2-beec-a2e30bf849d0.filesusr.com/ugd/7b8f90_1b02693ca7434abe88a0752b7def6313.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f4430192-812f-41eb-9629-245fd3a9f9eb/23431625277.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4afc969c-baf2-4427-b5c4-14f4a312ccbe/mibax.pdfIn PDF document text
- http://juwafazorames.epizy.com/dd_4e_players_handbook_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3d0d39b-d57d-41ec-acd7-684869c9525b/99196788317.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e556007-4003-4892-b674-5777b5a8c5e3/world_war_z_film_trailer.pdfIn PDF document text
- https://95c758d6-fd33-43c6-b5d0-f1f55e07e946.filesusr.com/ugd/cb0188_6d6677840bc64cfab6160815cee9eb89.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/691ea883-1d00-48b7-aaaa-c649c3677636/60189719292.pdfIn PDF document text
- https://f05e0dbb-21cf-40ea-8b71-00b8d6f49a3b.filesusr.com/ugd/b09e1d_104e7c8e674f4b7d992159dd290b8b3c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/366cfd9f-03eb-4246-927f-7788be0efd78/43904836634.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5df4f90a-e99e-4a7c-a6c8-2efcf402be7f/94323860697.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD098 | 5124 bytes |
SHA-256: 0b9020a0f8c78fdad97fbd2bca380a3e55f57fd7056410d35e433b8a06013d90 |
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font_01_sfnt_off0000e202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE202 | 10636 bytes |
SHA-256: 36e3f885789f92a852d83ee928b660b6f1e4f78db2b5fcbc9c0a1bd058ad6743 |
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