MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to lure users to malicious content. The primary attack pattern involves redirecting users to external sites, potentially for phishing or malware delivery.
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=anthonomus+eugenii+cano+pdf
- http://files.californiaweldinginstitute.org/uploads/1/3/0/8/130873876/2cf3c6.pdf
- http://files.swiss-german-online.com/uploads/1/3/0/8/130874489/75ff69bc.pdf
- http://files.innovativeel.com/uploads/1/3/0/7/130776887/zevulasesekup_bakawusir_netilurarunan.pdf
- https://cdn.shopify.com/s/files/1/0430/5757/8138/files/bumugafed.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/ribefe.pdf
- https://cdn.shopify.com/s/files/1/0437/2532/4439/files/m_119_howitzer.pdf
- https://cdn.shopify.com/s/files/1/0429/3351/8489/files/rulanogegan.pdf
- https://cdn.shopify.com/s/files/1/0434/3290/2806/files/83946999309.pdf
- https://cdn.shopify.com/s/files/1/0432/3826/0899/files/gawepibawemeget.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/avancemos_2_textbook_unidad_1.pdf
- https://cdn.shopify.com/s/files/1/0433/5108/1118/files/ravowifuvuwixoponagejox.pdf
- https://cdn.shopify.com/s/files/1/0434/9450/6661/files/ludimiruxos.pdf
- https://cdn.shopify.com/s/files/1/0437/5232/5272/files/73284038197.pdf
- https://cdn.shopify.com/s/files/1/0429/5039/4019/files/11171613215.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_off00006ac2.bin75afa315f1ff2c4b49debe8f8f8facd0317091c8e0cc845fcdbe0b5e7477893b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC2 | 5428 bytes |
font_01_sfnt_off00007d20.bin5ec7b4b63574637dbf68f7f2fec81d723da4f77daa45b4ed4be1f75dd1ec0969 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D20 | 10088 bytes |
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