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, with at least one pointing to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, suggesting a link farm or SEO poisoning attempt to lure users to malicious sites.
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=cancer+de+cuello+uterino+pdf+bolivia
- http://bivasaf.villadelphini.com/uploads/1/3/2/7/132710779/303f024.pdf
- http://files.wolverinelacrosseclub.com/uploads/1/3/2/7/132712369/207951.pdf
- http://files.thecarluccishow.com/uploads/1/3/1/8/131856257/wezubutapexunab-vuxitegaponed-miwosapofukefoj-dokexekoj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/3304/2839/files/62011190697.pdf
- https://cdn.shopify.com/s/files/1/0433/5193/3078/files/10359407241.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5908/files/77667709715.pdf
- https://cdn.shopify.com/s/files/1/0429/4583/9271/files/autonomous_vehicles_technology.pdf
- https://cdn.shopify.com/s/files/1/0431/6823/5675/files/fedixuvovegefezo.pdf
- https://cdn.shopify.com/s/files/1/0433/3876/0342/files/70329989940.pdf
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/mesutegufesulefuni.pdf
- https://cdn.shopify.com/s/files/1/0432/0791/7729/files/34945464334.pdf
- https://cdn.shopify.com/s/files/1/0436/4101/2382/files/92614762575.pdf
- https://cdn.shopify.com/s/files/1/0440/4035/6005/files/fobinupetomoxiwodi.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_off0000599a.bin33f6c82b37996355ccdd001a4e069fd7d02d58fc6ff6b276eb5c8a9a7f32038b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x599A | 5076 bytes |
font_01_sfnt_off00006ae5.bin2a03d8b1b52ebffb67494aaaa65ffada83125583be2162ec95dea281662e9376 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AE5 | 11728 bytes |
font_02_sfnt_off0000906a.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x906A | 4324 bytes |
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