MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL and other URLs that appear to be part of a link farm. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be social engineering via a deceptive link.
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.cc/wb?keyword=isaca%20cism%20review%20manual
- http://files.boxleysorganic.com/uploads/1/3/0/7/130740165/5305b75666.pdf
- http://files.heyhill-land.com/uploads/1/3/1/4/131411542/4357421.pdf
- http://files.buller.ac.nz/uploads/1/3/1/3/131383924/gofiso-faregimaxod-minobu-kirupozap.pdf
- http://files.membraneemulsification.com/uploads/1/3/0/8/130814172/wagebuj-pasudamipuwej-kazij.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/432403194.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5906/files/amadeus_basic_training_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/9315/5230/files/warixuzaz.pdf
- https://cdn.shopify.com/s/files/1/0434/5852/7397/files/nejewarivemitaro.pdf
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/karalejurixarewutuvux.pdf
- https://cdn.shopify.com/s/files/1/0430/3319/8745/files/senakez.pdf
- https://cdn.shopify.com/s/files/1/0435/7206/8520/files/architecture_vernaculaire.pdf
- https://cdn.shopify.com/s/files/1/0435/5280/0920/files/58520921086.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/datumaf.pdf
- https://cdn.shopify.com/s/files/1/0428/7568/2972/files/reberus.pdf
- https://cdn.shopify.com/s/files/1/0430/9054/2741/files/zuxiseru.pdf
- https://cdn.shopify.com/s/files/1/0434/8359/4917/files/allen_bradley_hmi_programming_tutorial.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_off00005f37.bin21c219f8a2b3249749a4dba6d7afdb67c88214ee4f89502a91841c1702380d97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F37 | 5036 bytes |
font_01_sfnt_off00007048.bin93321770759f9f40b9a7edcfe1c8342e1f917e22c12ae110de0ef703f9d1a817 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7048 | 10948 bytes |
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