MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a direct link to a known malicious redirector, ttraff.cc, which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains the same URL and appears to be a questionnaire lure. The PDF also hosts a large number of external links, many pointing to Shopify domains, likely as part of a link farm to improve search engine ranking for malicious content.
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.cc/pify?keyword=questionnaire+answerable+by+yes+or+no
- http://files.breneman.club/uploads/1/3/1/0/131070434/3322815.pdf
- http://sedubi.roundstoneponyshow.com/uploads/1/3/0/7/130739348/wugel.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdf
- https://cdn.shopify.com/s/files/1/0431/0423/9770/files/similar_triangles_examples.pdf
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/jopabo.pdf
- https://cdn.shopify.com/s/files/1/0430/4447/0945/files/90766742459.pdf
- https://cdn.shopify.com/s/files/1/0454/7723/2790/files/network_layers.pdf
- https://cdn.shopify.com/s/files/1/0429/6913/7305/files/sorusixuvig.pdf
- https://cdn.shopify.com/s/files/1/0428/5657/9228/files/autodesk_inventor_frame_generator_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0434/4292/9821/files/xegokubagiler.pdf
- https://cdn.shopify.com/s/files/1/0429/3846/6467/files/46413763487.pdf
- https://cdn.shopify.com/s/files/1/0445/6172/7647/files/google_angular_cdn.pdf
- https://cdn.shopify.com/s/files/1/0434/5239/9777/files/1710303643.pdf
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/urbana_sociologija.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_off00006fc1.bin54b3224f964292b1d75b3101588f89f08199c0b26b676f4c681ef234562fe6d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FC1 | 5072 bytes |
font_01_sfnt_off00008123.binbce44bc9af912a2decbb68efba4f5b332703e659ea803cea280d1e9d92457d78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8123 | 10680 bytes |
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