MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains embedded links that redirect to a known malicious domain, ttraff.ru. The document body, though heavily obfuscated, appears to be a lure related to 'problemas de angulos entre paralelas pdf'. The presence of numerous external links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to drive traffic to the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
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=problemas+de+angulos+entre+paralelas+pdf
- http://files.xoxoperformance.org/uploads/1/3/2/7/132710704/194917.pdf
- http://files.peaceofmindbodysoul.com/uploads/1/3/1/1/131164239/16a31d.pdf
- http://files.paintthetv.com/uploads/1/3/1/1/131164431/budirujumawabaz.pdf
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/70427255582.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/53514727925.pdf
- https://cdn.shopify.com/s/files/1/0430/6108/4322/files/dijajodalapuzatod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9525543421.pdf
- https://cdn.shopify.com/s/files/1/0434/2104/0792/files/widewakosekoxuras.pdf
- https://cdn.shopify.com/s/files/1/0430/9437/6599/files/0_soda.pdf
- https://cdn.shopify.com/s/files/1/0434/8513/5014/files/92261944387.pdf
- https://cdn.shopify.com/s/files/1/0430/9807/9399/files/78123949161.pdf
- https://cdn.shopify.com/s/files/1/0428/9085/4566/files/poruko.pdf
- https://cdn.shopify.com/s/files/1/0432/1984/5278/files/github_permission_denied_publickey.pdf
- https://cdn.shopify.com/s/files/1/0436/9612/8153/files/wafejewixufebibujosomak.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_off00005a75.bin0e573d9f21778d8715063bb1860ba97aa0a315de37cce7517476841a4ba85e67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A75 | 5504 bytes |
font_01_sfnt_off00006d07.bin67c0b026cbabcb02acd27909dfa02bcb9c6ecde1bac1329360797adca0b369a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D07 | 10912 bytes |
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