MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many pointing to disposable hosting services, designed to create a link farm. One of the extracted URLs, https://gettraff.ru/strik?utm_term=ang+probinsyano+april+10+2017+in+roman+numerals, is identified as a known malicious redirector. The ML classifier and ClamAV also flagged this file as malicious, indicating a high likelihood of phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://gettraff.ru/strik?utm_term=ang+probinsyano+april+10+2017+in+roman+numerals In PDF document text
- https://dinufipaxa.weebly.com/uploads/1/3/4/4/134440308/859fa935bc0.pdfIn PDF document text
- https://tafuposavibado.weebly.com/uploads/1/3/4/0/134017079/dc1633efd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405443/normal_5fa0fe58ce9ac.pdfIn PDF document text
- https://darugagoremu.weebly.com/uploads/1/3/4/5/134588092/84d3391548a01c9.pdfIn PDF document text
- https://vubisurajoguv.weebly.com/uploads/1/3/4/2/134265568/pizaveta.pdfIn PDF document text
- https://gesimuto.weebly.com/uploads/1/3/4/6/134685476/9569086.pdfIn PDF document text
- https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/dbc7e.pdfIn PDF document text
- https://sufexijim.weebly.com/uploads/1/3/4/6/134679247/zipuke.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/210ed0b8-f8d3-4a69-8c5c-f3b602c57ed6/60211933349.pdfIn PDF document text
- https://s3.amazonaws.com/baxekojojexusol/utorrent_application_for_windows_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73a79913-dcc0-4ff5-b4b2-78808c2ef5bc/fenijozukipifakizajek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/456e47dd-7f69-4103-a2a8-5fc65f3035f7/didegivegezalukelo.pdfIn PDF document text
- https://s3.amazonaws.com/jewizopukuni/bottom_up_processing_define_psychology.pdfIn PDF document text
- https://s3.amazonaws.com/sedowedi/empire_warriors_td_heroes_rune_guide.pdfIn PDF document text
- https://s3.amazonaws.com/jadere/biochemistry_proteins.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50cd8570-b9f1-4dad-aa50-0fa2269a6e71/52878567714.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_off00012ff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF1 | 5776 bytes |
SHA-256: 21bcf9c61afdd9f3b4d74d907029a77cd43ebea0f2cc2326a70f3c11e0f3e28d |
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font_01_sfnt_off0001439d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1439D | 16348 bytes |
SHA-256: 34b1170646373a07a18c5019404b9c1fc7134203fb66edcd4aab802b2dcb19ac |
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