MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, identified as a link farm, designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=backlog+certificate+format+ptu. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDF files, suggesting a lure to a malicious site disguised as a certificate format.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/pify?keyword=backlog+certificate+format+ptu
- http://files.gsdfoundation.org/uploads/1/3/1/4/131482821/b4c90961709.pdf
- http://files.newmarlboroughfiber.org/uploads/1/3/1/4/131407823/1087036.pdf
- http://files.edessa.ca/uploads/1/3/0/7/130775446/7677ba30cc.pdf
- http://vesuloxab.scoffonilab.com/uploads/1/3/0/7/130738824/4959155.pdf
- https://cdn.shopify.com/s/files/1/0434/7287/9782/files/remy_zero_save_my.pdf
- https://cdn.shopify.com/s/files/1/0428/9003/5366/files/84829248727.pdf
- https://cdn.shopify.com/s/files/1/0438/2192/4514/files/patofisiologi_asbestosis.pdf
- https://cdn.shopify.com/s/files/1/0433/4741/1096/files/lujoxozosatulosugewodaman.pdf
- https://cdn.shopify.com/s/files/1/0429/2821/0086/files/all_saints_tv_show.pdf
- https://cdn.shopify.com/s/files/1/0433/7818/0259/files/indiana_tax_exempt_form.pdf
- https://cdn.shopify.com/s/files/1/0428/5802/1027/files/rowaxugos.pdf
- https://cdn.shopify.com/s/files/1/0429/5157/3657/files/ropusijopibuwe.pdf
- https://cdn.shopify.com/s/files/1/0435/4090/6135/files/asking_alexandria_moving_on_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0435/9979/0243/files/popanixevupotijuvifufaz.pdf
- https://cdn.shopify.com/s/files/1/0428/9767/0303/files/87104558672.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000604d.bin41d2d62df55d86bbca8076a33a345840f296a3897be4f51a0230b17d35e83b8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604D | 5268 bytes |
font_01_sfnt_off00007227.binffaca2c9c64fc19b9115cbc4a028553de46b78ff3463d10fcc0b84723142ce6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7227 | 10292 bytes |
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