MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and appears to be a lure related to a 'rap beat maker app'. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier 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.com/pify?keyword=rap+beat+maker+app
- http://files.1focusbooths.com/uploads/1/3/1/4/131407152/5578572.pdf
- http://zejak.twainquiry.co.uk/uploads/1/3/1/4/131407558/7625147.pdf
- https://cdn.shopify.com/s/files/1/0434/0852/3416/files/ligozijot.pdf
- https://cdn.shopify.com/s/files/1/0433/2240/9125/files/zopuvevusupirusen.pdf
- https://cdn.shopify.com/s/files/1/0431/4061/2247/files/fetixomidunimowamatovubat.pdf
- https://cdn.shopify.com/s/files/1/0428/6945/7055/files/pulmonary_hypertension_treatment_guidelines_2017.pdf
- https://cdn.shopify.com/s/files/1/0435/9861/0589/files/28355255315.pdf
- https://cdn.shopify.com/s/files/1/0432/8616/7702/files/61593158950.pdf
- https://cdn.shopify.com/s/files/1/0429/8362/0757/files/technically_you_started_it_vk.pdf
- https://cdn.shopify.com/s/files/1/0452/3789/5325/files/80339765251.pdf
- https://cdn.shopify.com/s/files/1/0431/4447/8874/files/95888905378.pdf
- https://cdn.shopify.com/s/files/1/0431/3514/0007/files/asus_tablet_10_inch_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/6245/0586/files/lereregowuvelodi.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://cdn.shopify.com/s/files/1/0431/3514/0
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006633.bin18e6ac4e1e05e29640a7566a1b3b35b0be756c1bc5b5dab917a1a51da4ae9386 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6633 | 4968 bytes |
font_01_sfnt_off00007703.bin1ee24447c07254924f6544b0e0c06f18c0061d1214d4acc4dd0c32ceebf6d2d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7703 | 10748 bytes |
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