MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by a machine learning classifier as malicious and contains a large number of external links. One of these links, 'https://ttraff.ru/pify?keyword=black+demons+catacombs', points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is a primary lure. The presence of a link farm indicates an attempt to distribute malicious content widely.
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=black+demons+catacombs
- http://files.sweetbabiesdayhome.com/uploads/1/3/2/7/132740320/zipud_wenuv_soraminudej.pdf
- http://files.fitstudiolancaster.com/uploads/1/3/1/3/131379939/020a064.pdf
- http://files.debistrong4peacehopelove.com/uploads/1/3/1/1/131163666/farivusijik_wiwofimud_petabatu.pdf
- https://cdn.shopify.com/s/files/1/0433/3669/5959/files/sutanowo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80463449019.pdf
- https://cdn.shopify.com/s/files/1/0432/0978/5512/files/26419597873.pdf
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/bisoxiselokagofose.pdf
- https://cdn.shopify.com/s/files/1/0432/4343/8242/files/wagofuwi.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7922/files/43528047169.pdf
- https://cdn.shopify.com/s/files/1/0432/9363/8811/files/9573631706.pdf
- https://cdn.shopify.com/s/files/1/0432/5064/7204/files/29178155895.pdf
- https://cdn.shopify.com/s/files/1/0430/8742/9785/files/16030413904.pdf
- https://cdn.shopify.com/s/files/1/0429/2539/2035/files/92230500868.pdf
- https://cdn.shopify.com/s/files/1/0428/2017/3983/files/53641883895.pdf
- https://cdn.shopify.com/s/files/1/0435/2560/3488/files/terrain_lod_redone.pdf
- https://cdn.shopify.com/s/files/1/0430/3332/9817/files/71082726597.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_off0000752f.bin0faf149bd3f02d3385f4aec3e965500c412e6c7f2f0ddb66bb92ea1e837580b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x752F | 5244 bytes |
font_01_sfnt_off000086f1.binb709308f41bc15a73fcae88e4ce72f2924e0463a2fbabe3edacb78c5573c487f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86F1 | 13008 bytes |
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