MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains references to a user manual and the malicious URL. The presence of a link farm suggests an attempt to manipulate search engine results to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=auralic+aries+g1+user+manual
- http://files.clearfieldcreekwatershed.org/uploads/1/3/1/3/131384101/7945795.pdf
- http://zosexep.lehnhartrm232.com/uploads/1/3/0/9/130969634/bawigaporuv.pdf
- http://kagotowe.silentsoldiersofnaours.com/uploads/1/3/1/6/131606490/kamopek_sesukag.pdf
- http://misotibu.calvarybaptistemporia.org/uploads/1/3/2/6/132682646/meseverek-buvinonu-rugejajiloxos.pdf
- https://cdn.shopify.com/s/files/1/0431/0741/8263/files/airtel_letterhead_format.pdf
- https://cdn.shopify.com/s/files/1/0433/5419/4070/files/68475682292.pdf
- https://cdn.shopify.com/s/files/1/0438/6678/3904/files/magisterium_book_4.pdf
- https://cdn.shopify.com/s/files/1/0438/6829/1227/files/86788200398.pdf
- https://cdn.shopify.com/s/files/1/0434/8755/9833/files/lumukugifato.pdf
- https://cdn.shopify.com/s/files/1/0431/0899/1125/files/31886530001.pdf
- https://cdn.shopify.com/s/files/1/0435/8127/6319/files/370_amendment_bill_2020.pdf
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/35600647670.pdf
- https://cdn.shopify.com/s/files/1/0431/5335/8999/files/tesis_auditoria_forense.pdf
- https://cdn.shopify.com/s/files/1/0432/9180/3801/files/bpsc_65th_question_paper_english.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_off00006fa9.bince7446911b7b053d3d3297a194e3d5b6084397956f3d17b0e97fae769cf9ba7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FA9 | 5160 bytes |
font_01_sfnt_off00008121.binef5de3f4feda81a8be9fb1774abe8c7f70d9d0dc2bf58260a3a219202cd100b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8121 | 14596 bytes |
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