MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=sqlite+android+studio+application, which is a known malicious redirector. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content.
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=sqlite+android+studio+application
- http://files.robfenn.com/uploads/1/3/1/3/131398380/julabopixejo-wofevon.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3455/0177/files/reket.pdf
- https://cdn.shopify.com/s/files/1/0434/9083/6645/files/28607624319.pdf
- https://cdn.shopify.com/s/files/1/0433/6192/7318/files/32863578068.pdf
- https://cdn.shopify.com/s/files/1/0438/7949/7896/files/80826423968.pdf
- https://cdn.shopify.com/s/files/1/0446/8968/6681/files/alopecia_areata_treatment.pdf
- https://cdn.shopify.com/s/files/1/0430/0279/0039/files/ignou_assignment_front_page_format_doc.pdf
- https://cdn.shopify.com/s/files/1/0431/5345/7320/files/bill_check_app.pdf
- https://cdn.shopify.com/s/files/1/0437/8345/4872/files/zuwejajonojebujovedo.pdf
- https://cdn.shopify.com/s/files/1/0437/1195/5098/files/jitujad.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_off000072a2.binaa5e94569c630281bc7d89709ebaf210233fba25042d55940f50ec3942c8b336 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A2 | 5296 bytes |
font_01_sfnt_off000084a4.bindd1e0aec2c4294cb65b0683afb27d9b728927a552b90cc2b68544695d0a40ce3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84A4 | 16052 bytes |
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