MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a 'chief information officer cio job description' and the malicious URL. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to attract search engine traffic and potentially lure victims. 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.com/pify?keyword=chief+information+officer+cio+job+description
- http://files.molim.net/uploads/1/3/1/0/131070526/6ba34c62bd612.pdf
- http://files.alpineanimalhospital.us/uploads/1/3/1/3/131384113/wurojuzoguzonazafa.pdf
- https://cdn.shopify.com/s/files/1/0428/3075/8054/files/pokikivabimutoseruzumugo.pdf
- https://cdn.shopify.com/s/files/1/0433/6844/8152/files/fevaxexogupozanubareb.pdf
- https://cdn.shopify.com/s/files/1/0444/6945/2967/files/quanki_opt_out.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/kajixokuterokomuzuvuve.pdf
- https://cdn.shopify.com/s/files/1/0435/8035/8811/files/xosenixizekuzegabofirowux.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5590/files/naxodapi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vepotarinaf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40369191557.pdf
- https://cdn.shopify.com/s/files/1/0430/8064/6807/files/79363179671.pdf
- https://cdn.shopify.com/s/files/1/0435/4772/1882/files/73574503019.pdf
- https://cdn.shopify.com/s/files/1/0439/6105/7438/files/dubodavodulorixonadubow.pdf
- https://cdn.shopify.com/s/files/1/0432/0310/0836/files/deadpool_2_movie_in_tamilrockers._gs.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_off0000687c.bincdf2a2ea2e6451e57e0c142920c4369f91ba9e9dc130045c5af6fa1f66012541 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x687C | 5484 bytes |
font_01_sfnt_off00007aea.bin8edb9c9265706d01922a5bde040be7b6c6c96c13c3fa421f728cda3d8abab20f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AEA | 10304 bytes |
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