MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with a critical heuristic firing indicating that many of these links point to known malicious redirector infrastructure. The primary redirector URL is https://ttraff.ru/pify?keyword=kkk+and+the+kartilya+ng+katipunan+pdf. The document body itself is heavily obfuscated but contains this same URL, suggesting it is the intended lure. The presence of numerous links, many hosted on cdn.shopify.com, indicates a link farm strategy to distribute the malicious payload.
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=kkk+and+the+kartilya+ng+katipunan+pdf
- http://files.professorjedi.com/uploads/1/3/1/3/131379730/xesodexajuzenes.pdf
- http://files.packaginganddisplayusa.com/uploads/1/3/0/7/130738620/texenopoxegaga-manokedivupozi-viwopikupariz.pdf
- http://files.authorresourcecentre.com/uploads/1/3/0/8/130814466/tibezuruw_vugofunu_soweredofawin.pdf
- http://files.nothingpeak.com/uploads/1/3/0/7/130740141/1967482.pdf
- https://cdn.shopify.com/s/files/1/0434/0717/9941/files/bugiganitoted.pdf
- https://cdn.shopify.com/s/files/1/0431/3242/0250/files/dyson_dc17_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/8164/6758/files/47427065862.pdf
- https://cdn.shopify.com/s/files/1/0428/4612/6247/files/62069998408.pdf
- https://cdn.shopify.com/s/files/1/0430/3824/5017/files/calidad_de_vida_significado.pdf
- https://cdn.shopify.com/s/files/1/0434/9083/6632/files/jupuwugipumezitas.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/ravamixatexaburuganewe.pdf
- https://cdn.shopify.com/s/files/1/0431/7049/6672/files/pifedujubumonoka.pdf
- https://cdn.shopify.com/s/files/1/0441/3734/9272/files/evinrude_88_spl_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9805/files/ssh_x11_forwarding.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_off000068b3.bind5f51afef91209ddc69f85dd0e1606f52c81759c5fa1ac7cfff5b89d92b63481 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68B3 | 5260 bytes |
font_01_sfnt_off00007a94.bina333ff383ef9da18b8b7efa5a45109a10178fbd1c54d11ee18ca910815582cfb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A94 | 10112 bytes |
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