MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=d%2526+d+descent+into+avernus+pdf'. This indicates the document's primary purpose is to redirect users to a malicious site. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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.cc/pify?keyword=d%2526+d+descent+into+avernus+pdf
- http://files.baytutoringnz.com/uploads/1/3/1/4/131437299/9355977.pdf
- http://dojaromu.paxcon.org/uploads/1/3/2/6/132682646/ninexemijatimonigeku.pdf
- https://cdn.shopify.com/s/files/1/0434/8972/2534/files/caffeine_mac_chip.pdf
- https://cdn.shopify.com/s/files/1/0435/2072/1055/files/tidusagutirosopexasotival.pdf
- https://cdn.shopify.com/s/files/1/0428/4160/4263/files/55160595480.pdf
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/32102083324.pdf
- https://cdn.shopify.com/s/files/1/0429/1179/3315/files/61341810862.pdf
- https://cdn.shopify.com/s/files/1/0437/5710/9399/files/99659463388.pdf
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/allylic_strain.pdf
- https://medlineplus.gov/vitamind.html
- 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/
- https://cdn.shopify.com/s/files/1/0434/8972/2534/files/caffeine_mac_chip
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7ed.bin48524656b3e374db2655985bb23235a78a7fb2c8eb08756719506f3bf9aeaf8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7ED | 3484 bytes |
font_01_sfnt_off0000e358.bin837d64cfac4c6dc362bd2651473613ea364bcb5c9192f2be55c9d904e4a282f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE358 | 10532 bytes |
font_02_sfnt_off00010752.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10752 | 4324 bytes |
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