MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file 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 numerous embedded URLs, with one prominent URL pointing to a known malicious redirector. The primary attack pattern involves luring users to click on these links, which likely lead to further malicious content or phishing attempts.
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=blowback+rubber+band+gun+template
- http://tovalisu.maigretfamilyfarm.com/uploads/1/3/1/0/131070993/a0fbb4c.pdf
- http://files.bepositivebeyou.com/uploads/1/3/0/7/130776619/baxutomaduler.pdf
- http://files.parkesautodetailing.com/uploads/1/3/0/9/130969573/d946b622f.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8172/files/82601770136.pdf
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/cnco_pretend_mp4.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23535065851.pdf
- https://cdn.shopify.com/s/files/1/0434/0056/0805/files/nijadu.pdf
- https://cdn.shopify.com/s/files/1/0430/6921/0773/files/didako.pdf
- https://cdn.shopify.com/s/files/1/0438/0501/6225/files/23269399531.pdf
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/86768316296.pdf
- https://cdn.shopify.com/s/files/1/0428/4294/7750/files/kokevifefusedibok.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/suburban_noize_records.pdf
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/gurone.pdf
- https://cdn.shopify.com/s/files/1/0434/4892/6364/files/71713086638.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_off0000594b.bina27ba60fbd3858c6ddef06733bbf19b3d3a17281a127a90f128cebea576c222d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x594B | 5560 bytes |
font_01_sfnt_off00006c36.bind56c47214c0677bb93186bbe91e7b2dafc692008e0602619ecd9400c7a5ad0c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C36 | 10136 bytes |
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