MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with the primary link identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to download further malicious content disguised as a legitimate PDF. No scripts were extracted, limiting the analysis of specific execution behaviors.
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=statistics+david+freedman+pdf+download
- http://files.edmontongreendragon.ca/uploads/1/3/0/8/130813134/vupizosila.pdf
- http://files.savetheshackguilford.com/uploads/1/3/2/6/132683017/1853547.pdf
- http://files.jeffnickell.com/uploads/1/3/1/6/131636988/d3489b29f.pdf
- https://cdn.shopify.com/s/files/1/0432/2977/3979/files/wuromimujirenevakij.pdf
- https://cdn.shopify.com/s/files/1/0433/8404/5719/files/loranemogubidebum.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
- https://cdn.shopify.com/s/files/1/0431/6489/3345/files/jugonutunewevenezapomun.pdf
- https://cdn.shopify.com/s/files/1/0436/4809/0270/files/vitulerezagufomotab.pdf
- https://cdn.shopify.com/s/files/1/0433/8548/7525/files/tiwuzugoduzegowijokotunud.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kopamidije.pdf
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/71174687322.pdf
- https://cdn.shopify.com/s/files/1/0435/3320/5655/files/12610822279.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18410569865.pdf
- https://cdn.shopify.com/s/files/1/0432/3885/0719/files/18414470622.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_off00004a0d.binf737ba4ec2ea1c071296ec91689365f7ece781dfb22da8f9d7bfe05ed187613f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A0D | 5556 bytes |
font_01_sfnt_off00005cf0.bin4e7a1e2dca5db38618bfa12f8aed79643d85ee333265bade10f69e43c0ce06aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF0 | 10004 bytes |
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