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, specifically pointing to 'https://ttraff.ru/pify?keyword=android+app+store+whatsapp'. This URL is likely used to redirect the user to a malicious site or download unwanted software. The document also exhibits characteristics of a PDF link farm, with numerous embedded links to external resources, many hosted on Shopify. The ML classifier strongly supports the malicious verdict.
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=android+app+store+whatsapp
- http://files.m25initiative.net/uploads/1/3/1/4/131437702/rogitew-lemowel.pdf
- http://galiw.ghentlacrosse.com/uploads/1/3/0/7/130775934/ca7a4e.pdf
- http://files.ksexoticfragrances.com/uploads/1/3/1/4/131406544/gimapizitibup_pivetebufaga_fedujowunum_niregezet.pdf
- https://cdn.shopify.com/s/files/1/0433/0012/6885/files/canalis_lighting_busbar.pdf
- https://cdn.shopify.com/s/files/1/0428/2338/5247/files/91152371840.pdf
- https://cdn.shopify.com/s/files/1/0437/2794/5889/files/world_cultures_a_global_mosaic.pdf
- https://cdn.shopify.com/s/files/1/0439/0528/6296/files/auditing_standards_and_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0432/3947/3314/files/gasilagutu.pdf
- https://cdn.shopify.com/s/files/1/0433/6723/5742/files/biblical_definition_of_leadership.pdf
- https://cdn.shopify.com/s/files/1/0435/1574/0314/files/75431600428.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72890356131.pdf
- https://cdn.shopify.com/s/files/1/0435/5765/0584/files/87544436332.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/roxivalujizedofamal.pdf
- https://cdn.shopify.com/s/files/1/0434/4827/1000/files/64972231916.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_off00005e03.bin9798dbecf197fce91440b5a30ab5e68726d2eef556eb3c41222ccf1ce209e608 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E03 | 5096 bytes |
font_01_sfnt_off00006f5d.bin1b1cef1770636645442e0de8d0f2af843d2541b1d552f237ab335446dd054e15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F5D | 10288 bytes |
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