MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that is also present in the heuristics, pointing to a known malicious redirector. This suggests the PDF is designed to lure users to malicious sites, likely for phishing or malware delivery.
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=canon+camera+app++for+android
- http://kexure.train-to-nzeb.com/uploads/1/3/2/6/132682137/rawow-mujekunejamok-dubisima-fexow.pdf
- http://files.thewindisfree.co.uk/uploads/1/3/1/4/131453114/5356475.pdf
- http://files.hansogrenphotography.com/uploads/1/3/0/8/130874295/lipopavotidawese.pdf
- https://cdn.shopify.com/s/files/1/0428/6421/4182/files/24538695615.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/fazafibadibitefuri.pdf
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/xiradamurov.pdf
- https://cdn.shopify.com/s/files/1/0434/7353/5129/files/53786207008.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51220099535.pdf
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/turnigy_9x_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/8298/1278/files/xivopifumozuzija.pdf
- https://cdn.shopify.com/s/files/1/0434/4299/5367/files/10711913038.pdf
- https://cdn.shopify.com/s/files/1/0428/1221/1359/files/zedejojul.pdf
- https://cdn.shopify.com/s/files/1/0431/1403/7397/files/xubibapebuma.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_off00005cfd.bin112f05af53f56de3c61aaa3c9ad65a24867f017327311db3ec17af12860566fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CFD | 4996 bytes |
font_01_sfnt_off00006de1.bin3f03c371061b921032e5d135a5326c1979ae8b853f3782579fd2105f0d4dbfcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DE1 | 10168 bytes |
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