MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to known malicious redirector infrastructure or disposable hosting. The primary URL, https://cctraff.ru/strik?keyword=intro+chr+6753+xl, is flagged as malicious. This indicates the document's purpose is to lure users to malicious sites, likely for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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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://cctraff.ru/strik?keyword=intro+chr+6753+xl In PDF document text
- http://xagot.congressweek.org/uploads/1/3/0/7/130738799/dfb75020.pdfIn PDF document text
- http://vawuze.heartburstman.com/uploads/1/3/2/3/132303035/rajalesibuz.pdfIn PDF document text
- http://tixexagom.bookshelf-bookshelf.com/uploads/1/3/1/4/131410818/586c44b.pdfIn PDF document text
- http://files.greenmantlestudio.com/uploads/1/3/2/8/132814371/6345821.pdfIn PDF document text
- http://files.mrgysbers.com/uploads/1/3/0/9/130969061/tixiviroborux_titadavu_lakidumutugub_zalumapotisu.pdfIn PDF document text
- https://site-1037241.mozfiles.com/files/1037241/74504812736.pdfIn PDF document text
- https://site-1038975.mozfiles.com/files/1038975/lopobugumuvowerolito.pdfIn PDF document text
- https://site-1040575.mozfiles.com/files/1040575/46464136272.pdfIn PDF document text
- https://site-1039886.mozfiles.com/files/1039886/vikosonojunugubazepuk.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://uploads.strikinglycdn.com/files/cf762b2a-a263-47fb-b247-bae7f61d8827/56565468390.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9257b270-80e7-4977-b3be-afa6cf0bfd4b/bilojunisizapodusoke.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07b2e6ab-bc03-4b6e-a28e-7f24e4296a8b/wuvipigu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c790c8e-1b1d-42e8-b4a7-770eacbc5880/dururodabosilaniguxadu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/defed677-d9c0-43c8-91c4-31801dd6eeb8/fepomonuwawafasera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7154/6279/files/nekawugufuvifazarinajor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9671/6952/files/midsummer_nights_dream_no_fear_shakespeare_act_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4518/0824/files/62099385544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9512/1319/files/16784487834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0500/3047/7472/files/68992630896.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000165b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165B3 | 2912 bytes |
SHA-256: 1baa3efd180cf5f44d613abe34ea0380c2d25dd221f4ef864ac418d56f73cc35 |
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font_01_sfnt_off00016fff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FFF | 1560 bytes |
SHA-256: b00ecd19090880924020417d584841e792181d3f8e6e7223e17d4fa9026fc8a8 |
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font_02_sfnt_off000177ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x177EF | 5024 bytes |
SHA-256: 4c41385736bfd44a43959c2430dc3c29eb635adb206aa114d8ace9a18dec97db |
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font_03_sfnt_off0001890c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1890C | 17552 bytes |
SHA-256: 2dedcdf8deb1f4e1d8e89249f6bef75e1bc388136f7cc7af9bcf398ddf0131ca |
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