MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the malicious redirector. This suggests the document's primary purpose is to redirect users to malicious content.
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=does+barium+chloride+form+a+precipitate
- http://files.trinitylutheranchurch.com/uploads/1/3/1/3/131379830/rulixovuxekape.pdf
- http://files.artfix.info/uploads/1/3/1/8/131871621/fudaga.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0462/1444/7257/files/28211492357.pdf
- https://cdn.shopify.com/s/files/1/0440/7784/2584/files/81483031039.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/39229700506.pdf
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/psicologia_definicion.pdf
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/80446605436.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/international_business_strategy_management_and_the_new_realities_free.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34515707504.pdf
- https://cdn.shopify.com/s/files/1/0440/3740/6870/files/masije.pdf
- https://cdn.shopify.com/s/files/1/0431/2373/6725/files/henry_ford_assembly_line_worksheet.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/
- https://savannah.gnu.org/projects/freefont/
- http://www.gnu.org/licenses/
- http://www.gnu.org/copyleft/gpl.html
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e18.binb9c1bd2281f23f09d905494077011cda678d8ff8a20e62f41a46584ce81a564d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E18 | 6492 bytes |
font_01_sfnt_off00007e4d.bin6f9e866de8891bd86ef5c1ce0d5de998fc7adae8073ef7426aa4452dc2bb525b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E4D | 5532 bytes |
font_02_sfnt_off000090f6.bin5fdb02e17231f0985252de57d72bb3eab7b449343aea83a6ae870642652f2bd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90F6 | 10976 bytes |
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