MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to manipulate search engine results and drive traffic to malicious sites. 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=rigorous+curriculum+design+pdf
- http://files.fatherspride.org/uploads/1/3/1/1/131164351/xagokomujokadep.pdf
- http://files.wicollaborative.org/uploads/1/3/2/6/132695663/8321860.pdf
- http://files.peeblesfootball.com/uploads/1/3/1/4/131453354/23217837e6.pdf
- http://files.walkwaysandbeyond.com/uploads/1/3/1/8/131859895/6351357.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/3427/2159/files/pesejozabebakevisedepov.pdf
- https://cdn.shopify.com/s/files/1/0429/5337/5897/files/milixakepuratabutuwuw.pdf
- https://cdn.shopify.com/s/files/1/0431/8937/1040/files/simple_and_clean_lyrics_english.pdf
- https://cdn.shopify.com/s/files/1/0438/4168/3618/files/97186908081.pdf
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/nccer_electrical_level_2.pdf
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/bujimigovari.pdf
- https://cdn.shopify.com/s/files/1/0430/8166/2628/files/sujatu.pdf
- https://cdn.shopify.com/s/files/1/0436/1535/5042/files/70799154859.pdf
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/letobuwed.pdf
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/life_selector_credits_hack_tool.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000753a.bin3dce8292a5e06164d0c5410b4c18e9a592a41d20510ec1fa269359ee9266ca1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753A | 5272 bytes |
font_01_sfnt_off00008721.binf1edce6d420e386dd08624dce7a4439d8623e3d3a967bf26f8cf8e5a29538019 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8721 | 10308 bytes |
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