MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=apache+kafka+pdf+download'. The document body, though heavily obfuscated, also contains this URL and numerous other links, many hosted on Shopify, suggesting a link farm or redirection strategy. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring the user to a malicious site disguised as a legitimate download.
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=apache+kafka+pdf+download
- http://files.riderpolo.org/uploads/1/3/2/7/132712129/sodirizevozuburomoli.pdf
- http://files.sacontracting.org/uploads/1/3/1/8/131857782/luragogiletimo.pdf
- http://files.martinaswinburn.co.uk/uploads/1/3/2/7/132741334/vifuvixigesa_vemuv_toraregukev_xupakebenotame.pdf
- http://pasemox.biofieldtuning-nj.com/uploads/1/3/0/8/130813612/marimeweber.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/daxakukopugabuvudunevit.pdf
- https://cdn.shopify.com/s/files/1/0430/8641/3985/files/felezewesadorolev.pdf
- https://cdn.shopify.com/s/files/1/0436/0214/9540/files/gungeon_big_boy.pdf
- https://cdn.shopify.com/s/files/1/0433/3820/3290/files/35319803786.pdf
- https://cdn.shopify.com/s/files/1/0429/2499/8819/files/13950338349.pdf
- https://cdn.shopify.com/s/files/1/0431/1243/1776/files/analyzing_poetry_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/8938/5888/files/46790891678.pdf
- https://cdn.shopify.com/s/files/1/0439/2324/3176/files/faduxome.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/jegijozojabagoru.pdf
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/free_boat_building_plans.pdf
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/39311046616.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_off000066f0.bin7345424bc26444c2b77b13433753b7d03c9aa46c10979377b3c49021f0e1c084 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66F0 | 5112 bytes |
font_01_sfnt_off0000786d.binf3bf20f95184e36eba263723467756413809df9a9ff5a0aef768146da3448952 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x786D | 12152 bytes |
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