MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector service, which is a common tactic for distributing malware or phishing content. The document body, though heavily obfuscated, contains text related to downloading a manual and includes the malicious URL, suggesting a lure to trick users into downloading further malicious content. 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.link/pify?keyword=highway+capacity+manual+2016+full+pdf+free+download
- http://files.college-boundplayerportal.com/uploads/1/3/1/6/131637889/godamowodasumudowo.pdf
- http://vaxer.ryangardner.org/uploads/1/3/2/6/132683078/4c45bf9.pdf
- http://files.nuevaarts.org/uploads/1/3/0/8/130815213/79e9ff39392.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/e98895_5c9a43990d7142f1a8888ce5922d6a78.pdf
- https://static.usrfiles.com/ugd/28b3f7_d7b9ae0cb91846f1a3bb2580a1515b3e.pdf
- https://static.usrfiles.com/ugd/48d9a1_0cf2d9dd4f49424fad2abf74f776f6ee.pdf
- https://static.usrfiles.com/ugd/158fb9_5067331a55e348529511334dffd98abd.pdf
- https://static.usrfiles.com/ugd/d2759c_b0b12dd3fa5e46d0ba5c68a02a4a1b2f.pdf
- https://static.usrfiles.com/ugd/409ca8_639087f1ca5c4110a22e9ac656ecdcf8.pdf
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/70027935297.pdf
- https://cdn.shopify.com/s/files/1/0434/0586/9217/files/microsoft_powerpoint_poster_presentation_templates.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006201.bine4f82594f571f0a9b880c1000301374bed002410d6e595d7c4b36011794bfa8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6201 | 6028 bytes |
font_01_sfnt_off0000767c.bin33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x767C | 2116 bytes |
font_02_sfnt_off00008046.bin6d08493823be166816058d3487bc071351fa596bd3b9520bf679fc1aa4b1eb26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8046 | 13128 bytes |
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