MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary link, 'https://ttraff.com/pify?keyword=a+primer+of+abstract+mathematics+pdf', is designed to lure users into downloading further content. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to obscure the malicious redirector.
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.com/pify?keyword=a+primer+of+abstract+mathematics+pdf
- http://modasurav.passitkit.com/uploads/1/3/2/7/132740978/1a3ba8.pdf
- http://files.canalandrivertours.com/uploads/1/3/1/3/131383318/f36dcf00dffb33.pdf
- http://files.bakeitsg.com/uploads/1/3/1/4/131409677/bolivebizak_pukopubikosado_vevexibupuxu.pdf
- http://files.i-helpfoundation.org/uploads/1/3/1/8/131856769/9988697.pdf
- http://nuxut.nanoassembly.org/uploads/1/3/2/7/132710780/pusulepareniwupaj.pdf
- https://cdn.shopify.com/s/files/1/0432/9698/1147/files/pejuz.pdf
- https://cdn.shopify.com/s/files/1/0435/4677/1607/files/34506133935.pdf
- https://cdn.shopify.com/s/files/1/0429/7408/5279/files/spongebob_theme_song_remix_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7913659608.pdf
- https://cdn.shopify.com/s/files/1/0434/5089/2440/files/55255828246.pdf
- https://cdn.shopify.com/s/files/1/0431/6325/4944/files/43721347426.pdf
- https://cdn.shopify.com/s/files/1/0433/3921/9099/files/43829465586.pdf
- https://cdn.shopify.com/s/files/1/0433/6225/5006/files/mojewi.pdf
- https://cdn.shopify.com/s/files/1/0430/9408/1687/files/12745818280.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/80964872009.pdf
- https://cdn.shopify.com/s/files/1/0431/7901/6360/files/biderulesezifagiv.pdf
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/42684400036.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_off00005263.binfb28ecfe89f198a6acbb31544ffc3a1c02c36fb9d9c334c0984d41351831fd0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5263 | 5492 bytes |
font_01_sfnt_off000064dc.bin96354edeee831eda30afbeb8e413997d18dda09a79c4530558cfdf4cd02e47b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DC | 10420 bytes |
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