MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged as malicious by a machine learning classifier and contains a significant number of embedded links. One of these links, https://ttraff.ru/pify?keyword=challa+song++djpunjab, points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a link farm indicates an attempt to distribute malicious content or phish users.
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=challa+song++djpunjab
- http://totuw.thepuzzleleaguedance.com/uploads/1/3/1/1/131164250/909d86e23d558.pdf
- http://jetifese.accumeasurefitness.com/uploads/1/3/1/4/131454165/c3d265f1ba2d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/6222/3263/files/71844169993.pdf
- https://cdn.shopify.com/s/files/1/0427/8566/9279/files/40129685192.pdf
- https://cdn.shopify.com/s/files/1/0440/8924/5861/files/22191085612.pdf
- https://cdn.shopify.com/s/files/1/0433/7152/8344/files/lifojaremaxe.pdf
- https://cdn.shopify.com/s/files/1/0432/4245/5207/files/jadebetabud.pdf
- https://cdn.shopify.com/s/files/1/0434/7042/2180/files/muwavalonuratuxux.pdf
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/19304239984.pdf
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/legit_csgo_skin_sites.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8909/files/27723985348.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23083433767.pdf
- https://cdn.shopify.com/s/files/1/0431/9966/0194/files/funeze.pdf
- https://cdn.shopify.com/s/files/1/0434/2353/1158/files/50719003989.pdf
- https://cdn.shopify.com/s/files/1/0430/7451/9191/files/vagoriresutar.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_off00004290.bindf71052a62cc223cc9492319c9e2bcab8e32dffebf4154a262636eb3fa9c48f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4290 | 5248 bytes |
font_01_sfnt_off0000545f.bin275dd03e1135c6cc0c5453654e3b4558595c576fd2d27ede4cf26186ae82d1f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x545F | 9400 bytes |
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