MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=insect+bite+treatment+guidelines+pdf, which is a known malicious redirector. The ML classifier also strongly indicated maliciousness. The primary goal appears to be directing users to potentially harmful content through a deceptive lure.
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=insect+bite+treatment+guidelines+pdf
- http://files.juliaschombergart.com/uploads/1/3/1/6/131606815/gigamulavezosexoma.pdf
- https://cdn.shopify.com/s/files/1/0434/3123/1637/files/23556883589.pdf
- https://cdn.shopify.com/s/files/1/0437/8171/8173/files/94530882979.pdf
- https://cdn.shopify.com/s/files/1/0448/3776/5282/files/barril_del_amontillado.pdf
- https://cdn.shopify.com/s/files/1/0430/9326/2487/files/25481679636.pdf
- https://cdn.shopify.com/s/files/1/0431/2036/1629/files/free_company_profile_design_template.pdf
- https://cdn.shopify.com/s/files/1/0436/2302/2752/files/air_conditioning_company_profile.pdf
- https://cdn.shopify.com/s/files/1/0435/7105/2707/files/72303323089.pdf
- https://cdn.shopify.com/s/files/1/0435/5312/8612/files/sewora.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/peboxev.pdf
- https://cdn.shopify.com/s/files/1/0438/4745/0789/files/wotudixe.pdf
- https://cdn.shopify.com/s/files/1/0438/0629/4176/files/convention_cedaw_en_francais.pdf
- https://cdn.shopify.com/s/files/1/0437/4901/5713/files/spring_boot_hibernate_mysql_example.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_off0000661e.bin344af1adff8d0de934f61aeef28a5030f1008cbd91dab19f5ec0cf65b75ffb1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x661E | 5552 bytes |
font_01_sfnt_off000078d9.binab93fa9e7998a7a37bc395458e0a7e59ef53e90a496378b3395212aef05099f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78D9 | 10376 bytes |
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