MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.ru'. Additionally, it exhibits a PDF link farm, with numerous links pointing to various domains, suggesting an attempt to manipulate search engine results or distribute malicious content. The presence of a 'Download Button' heuristic further supports a lure-based attack. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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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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=convert%20pdf%20to%20powerpoint%20using%20adobe%20acrobat%20pro In PDF document text
- http://files.friendsofthefergusonforest.ca/uploads/1/3/0/8/130874063/tuson-vosesemajuf-wasatofadivi-togutuzekizi.pdfIn PDF document text
- http://files.gfhsmt1964.com/uploads/1/3/2/7/132741149/labikobufefezij_liwagexivawo.pdfIn PDF document text
- http://files.yoganess.net/uploads/1/3/1/8/131857914/wapezavazunon_tufurizod.pdfIn PDF document text
- http://files.stonesj.org/uploads/1/3/1/4/131453718/2883092.pdfIn PDF document text
- http://files.kellymgriffin.com/uploads/1/3/1/4/131437552/212082.pdfIn PDF document text
- http://files.cdastars.com/uploads/1/3/2/6/132696233/balifetu_kajogigevodur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nuzadoparuxu.files.wordpress.com/2020/07/93787912187.pdfIn PDF document text
- https://bimirofi.files.wordpress.com/2020/06/bufum.pdfIn PDF document text
- https://tixobumot.files.wordpress.com/2020/06/jikududunutiwosi.pdfIn PDF document text
- https://talugunika.files.wordpress.com/2020/06/77096586739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/21425786644.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4972/2790/files/romekerutibozigep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6473/7448/files/legizalisebezekunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4628/1120/files/58322939119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5313/8591/files/82611136415.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/buvetixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7259/4844/files/69319037750.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1270/1854/files/69308560623.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_off00006e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E94 | 5488 bytes |
SHA-256: fc4945fc8a485bf47ba0b79f37ec22801f953394d9ae858ded299d53cee7258b |
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font_01_sfnt_off00008163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8163 | 10444 bytes |
SHA-256: 767d608a9069021043a6ec988d7305740d05d8c7a11d931f46d60f1918cefe50 |
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