MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with 16 external links, one of which, 'https://ttraff.ru/pify?keyword=ansys+19+manual', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the same URL, suggesting a lure to download or access content related to 'Ansys 19 manual'. The ML classifier also strongly indicated maliciousness.
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=ansys+19+manual
- http://files.yankeebellechihuahuas.com/uploads/1/3/0/8/130874026/dalexajesudisub.pdf
- http://files.ambertennant1616.com/uploads/1/3/0/7/130738870/jumakis.pdf
- http://files.newyorkstategrandcouncil.com/uploads/1/3/1/4/131437538/bapemo.pdf
- http://files.levelbossgames.com/uploads/1/3/1/4/131483009/6194780.pdf
- https://cdn.shopify.com/s/files/1/0437/1031/6694/files/14468245186.pdf
- https://cdn.shopify.com/s/files/1/0437/9141/7505/files/bury_st_edmunds_town_centre_map.pdf
- https://cdn.shopify.com/s/files/1/0431/7780/3931/files/jobikugowepojimawofevi.pdf
- https://cdn.shopify.com/s/files/1/0437/8719/0434/files/nukawexujewubi.pdf
- https://cdn.shopify.com/s/files/1/0428/3842/5766/files/bcd_addition_and_subtraction.pdf
- https://cdn.shopify.com/s/files/1/0430/8022/0823/files/lulizezimisakevenifazutu.pdf
- https://cdn.shopify.com/s/files/1/0435/4008/6935/files/sisanotofusogem.pdf
- https://cdn.shopify.com/s/files/1/0433/6982/4414/files/wilelaziseferodi.pdf
- https://cdn.shopify.com/s/files/1/0430/5797/1362/files/17828277991.pdf
- https://cdn.shopify.com/s/files/1/0431/0253/5840/files/63593153884.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7064/files/32816156098.pdf
- https://cdn.shopify.com/s/files/1/0439/2170/3067/files/sony_xplod_radio.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_off00006b3c.binb69493ebe577465072d9e3f832c1d3685223a5e6859c6c786a30cb12de933740 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B3C | 5032 bytes |
font_01_sfnt_off00007c4d.bin2894630fd7d7512428ddb23927584a6052ab0ab761b565a54e5d7a0f3fa6d06f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C4D | 10664 bytes |
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