MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One of the primary links directs to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and references to other PDFs.
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=native+american+prayer+stick
- http://bujez.thesilkfamilyproject.com/uploads/1/3/1/0/131071164/3cae7ab7.pdf
- http://folawime.diolicovid19.info/uploads/1/3/1/4/131454106/3157395.pdf
- http://files.khwajaexports.com/uploads/1/3/1/3/131379567/tudinipumitakilexaz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/5632/3995/files/gesop.pdf
- https://cdn.shopify.com/s/files/1/0428/4337/3735/files/sawexul.pdf
- https://cdn.shopify.com/s/files/1/0431/9897/2066/files/fexepanururofulotabajotem.pdf
- https://cdn.shopify.com/s/files/1/0435/8553/6159/files/murejujize.pdf
- https://cdn.shopify.com/s/files/1/0433/3443/4974/files/lumekizal.pdf
- https://cdn.shopify.com/s/files/1/0434/2880/6808/files/social_club_server_status.pdf
- https://cdn.shopify.com/s/files/1/0433/7506/7294/files/72325304191.pdf
- https://cdn.shopify.com/s/files/1/0437/1916/4058/files/updated_cpr_guidelines_american_heart_association.pdf
- https://cdn.shopify.com/s/files/1/0430/1760/1181/files/how_to_open._gz_file.pdf
- https://cdn.shopify.com/s/files/1/0438/9660/2779/files/44488577625.pdf
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/adobe_photoshop_step_by_step_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_off0000ca38.bin89bea7365f86d400754b095fd22b46e33255b05a380b35fed1b3969663646b0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA38 | 5240 bytes |
font_01_sfnt_off0000dc08.bin1bc8db4311f9438e79fcf06d16cca44d142dc87c880f11be87a83b0e9f3d4ba3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC08 | 10060 bytes |
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