MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though partially corrupted, includes the same URL and references 'account receivable entry in balance sheet', suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the final destination. The ML classifier strongly supports the malicious nature of this PDF.
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=account+receivable+entry+in+balance+sheet
- http://goropova.solarancestor.com/uploads/1/3/0/7/130739140/worofovokepatotika.pdf
- http://files.yellowheadauctions.com/uploads/1/3/2/8/132815004/5193937.pdf
- http://files.slehschoirs.com/uploads/1/3/0/8/130813558/dozuxota-notorimiti.pdf
- https://cdn.shopify.com/s/files/1/0434/5125/2896/files/hodgdon_reloading_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/2441/6931/files/33662711852.pdf
- https://cdn.shopify.com/s/files/1/0440/5064/5157/files/factoring_polynomials_fractions_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0431/9831/6705/files/supercapacitor_energy_storage_system.pdf
- https://cdn.shopify.com/s/files/1/0430/6265/7177/files/10221858115.pdf
- https://cdn.shopify.com/s/files/1/0436/1791/0941/files/airline_ticket_reservation_system_project_proposal.pdf
- https://cdn.shopify.com/s/files/1/0437/3594/1274/files/87825578736.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/camera_nx_apk_for_nougat.pdf
- https://cdn.shopify.com/s/files/1/0434/6154/2054/files/asian_paints_apex_ultima_shade_card.pdf
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/matetujajadolabi.pdf
- https://cdn.shopify.com/s/files/1/0431/9726/8128/files/16102748766.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_off00005e78.bin2df3923cb09f909093f6ee72a0f6506102d01d6ad16c99ba6597520d47124d19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E78 | 5176 bytes |
font_01_sfnt_off0000700d.bine4a543354dd0e135f2f20f7d9b33437e226223d4fd273f45f6c862f612fff68e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x700D | 9920 bytes |
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