MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, many of which point to a redirector service designed to obscure the final malicious destination. The primary redirector URL, 'https://ttraff.ru/wb?keyword=control%20chart%20constants%20pdf', is flagged as malicious. This suggests a phishing or scam attempt, likely using the guise of providing a document to trick users into visiting malicious infrastructure. No scripts were extracted, and the document body is heavily obfuscated, limiting further analysis of the exact lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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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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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://ttraff.ru/wb?keyword=control%20chart%20constants%20pdf In PDF document text
- http://files.marozniashop.com/uploads/1/3/2/7/132710748/3743781.pdfIn PDF document text
- http://files.iokokanoa.com/uploads/1/3/1/4/131406985/mexidiz_zuxomidafuxo_dopaxotezozi.pdfIn PDF document text
- http://daxekufej.operationrv.com/uploads/1/3/0/9/130969723/52fc9fe10e6.pdfIn PDF document text
- http://files.ottercoffeevergas.com/uploads/1/3/2/6/132696146/9549970.pdfIn PDF document text
- http://files.absolutealphacm.com/uploads/1/3/1/3/131380175/nataduxov.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5383/4649/files/70651131918.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4309/3660/files/24392033594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/dum_dum_girls_coming_down.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6527/8625/files/mazekefekuvekuteronu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/90051064147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2211/2152/files/amelie_piano_noten_fr_anfnger.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97072231683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7840/9639/files/93985840055.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0899/1143/files/steal_characterization_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1655/2605/files/nuduzekudifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8106/4853/files/rance_vi_walkthrough.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008c0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C0C | 5148 bytes |
SHA-256: 85ddf7d5a7d7518178b51f2f7fdf497c68da34cfcbd231bedae441a5f1d872ae |
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font_01_sfnt_off00009d7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D7A | 15632 bytes |
SHA-256: 355dfd404119143a4909e576ae6dbcf816877775cd52ad348f38dc2a4d8b83e2 |
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font_02_sfnt_off0000cd65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD65 | 16060 bytes |
SHA-256: ae97ebdbf5cb6679ee3ae7f6f8963da9ec2437ada1f672a33085bc8cbe806833 |
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