MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical link to a known malicious redirector at https://ttraff.ru/wb?keyword=peritonitis%20bacteriana%20secundaria%20pdf. Additionally, it hosts a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the analysis of direct payload delivery mechanisms.
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/wb?keyword=peritonitis%20bacteriana%20secundaria%20pdf
- http://files.saintlukemclean.org/uploads/1/3/2/6/132681144/pafopimitopotirafom.pdf
- http://files.millimanquarterhorses.com/uploads/1/3/0/8/130873718/kunexuzorodi.pdf
- http://kerari.humphreysfreelancemedia.com/uploads/1/3/1/1/131164250/d8c1eb22.pdf
- http://zigikavek.iolascott.com/uploads/1/3/0/7/130738732/getaweripem.pdf
- https://cdn.shopify.com/s/files/1/0430/7674/7413/files/bearing_number_identification.pdf
- https://cdn.shopify.com/s/files/1/0433/1952/5531/files/madazikosid.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/juxilo.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6472/files/korusa.pdf
- https://cdn.shopify.com/s/files/1/0432/8570/8968/files/34997710873.pdf
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/fukijude.pdf
- https://cdn.shopify.com/s/files/1/0430/5554/6517/files/tenuberimitikorepofam.pdf
- https://cdn.shopify.com/s/files/1/0430/8641/3985/files/minecraft_attack_on_titan_servers.pdf
- https://cdn.shopify.com/s/files/1/0429/2745/6419/files/idioms_and_phrases_for_ielts_writing_task_2.pdf
- https://cdn.shopify.com/s/files/1/0428/1748/7011/files/85237141900.pdf
- https://cdn.shopify.com/s/files/1/0433/4295/4661/files/74917003604.pdf
- https://cdn.shopify.com/s/files/1/0433/9446/5948/files/43388501329.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_off00007c0c.bin850cb68c6db3a97b0ea88001bf5fff0149b663910fecdcc2db38bc2aeacdf72c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C0C | 5260 bytes |
font_01_sfnt_off00008ded.bin8cdb391e12f0016345552a39250554805ff80f7db128360c8ed4992a37d1929c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DED | 10800 bytes |
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