MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious by multiple heuristics, specifically for containing a large number of external links designed as a link farm. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.ru/pify?keyword=ax+2012+system+requirements+guide. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a URL that appears to be part of the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=ax+2012+system+requirements+guide
- http://nivota.weshall217.com/uploads/1/3/1/4/131407995/zafibok-xejiw-gasogutesom.pdf
- http://files.alexjtunney.com/uploads/1/3/1/0/131070317/mapex-limukadixajoz.pdf
- http://velopoxan.ivoryemily.com/uploads/1/3/0/8/130813453/pijokidasesowojam.pdf
- http://xalok.buyers-club-solar.com/uploads/1/3/1/4/131437462/3968380.pdf
- https://cdn.shopify.com/s/files/1/0430/1350/5185/files/motorola_surfboard_sb5101u.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/popepafojate.pdf
- https://cdn.shopify.com/s/files/1/0434/5892/0605/files/tatominoxipurosu.pdf
- https://cdn.shopify.com/s/files/1/0435/8062/0955/files/new_headway_beginner_student_s_book_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/7135/7596/files/pexapobe.pdf
- https://cdn.shopify.com/s/files/1/0438/1147/1520/files/concrete_and_abstract_nouns_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/8705/0390/files/69559342267.pdf
- https://cdn.shopify.com/s/files/1/0448/2190/5570/files/tamil_nadu_holidays_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/6863/6840/files/93958550132.pdf
- https://cdn.shopify.com/s/files/1/0434/1855/0439/files/xuraxomoxijefivetojofa.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/
- https://cdn.shopify.com/s/files/1/04
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001765f.bind71ebac58ca4e0316ce0fddfa084bc29898ea14f25af138fdda1d2178efd4665 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1765F | 5284 bytes |
font_01_sfnt_off0001883d.binb4f13f2f857ecd2b51bc92b8dc5fe312aa65b40abaf76e8c297d205a1c85658c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1883D | 10316 bytes |
font_02_sfnt_off0001ab3e.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AB3E | 4324 bytes |
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