MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=acute+tubular+necrosis+pathophysiology+pdf', which is also flagged as malicious. The presence of a link farm suggests an attempt to manipulate search results or deliver malicious content through a series of redirects.
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.cc/pify?keyword=acute+tubular+necrosis+pathophysiology+pdf
- http://gifapif.meatslut.com/uploads/1/3/2/6/132696323/c35d06152becfd.pdf
- http://files.azrielbermant.com/uploads/1/3/1/3/131383269/tuvexerunafi-soxafodepemomu.pdf
- http://litizos.iptuk.net/uploads/1/3/1/4/131408899/fejirefuxenewedukeb.pdf
- https://cdn.shopify.com/s/files/1/0434/2163/0631/files/ribipuzijixaw.pdf
- https://cdn.shopify.com/s/files/1/0430/0413/3525/files/black_magic_speed_test.pdf
- https://cdn.shopify.com/s/files/1/0430/9798/1089/files/46913937637.pdf
- https://cdn.shopify.com/s/files/1/0437/7221/5448/files/8019557692.pdf
- https://cdn.shopify.com/s/files/1/0432/2590/7368/files/87897826843.pdf
- https://cdn.shopify.com/s/files/1/0436/0660/5987/files/74061187281.pdf
- https://cdn.shopify.com/s/files/1/0435/0866/2440/files/14371134794.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/20910677487.pdf
- https://cdn.shopify.com/s/files/1/0434/6416/3490/files/84522385691.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/56123434675.pdf
- https://cdn.shopify.com/s/files/1/0438/8788/6488/files/59000807466.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_off0000922c.bin8c35202653295be1a830430fb6154f7bcfd89eece74f689e428463a90b45164c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x922C | 5648 bytes |
font_01_sfnt_off0000a55b.bin36f4530d619f5fbeb289b279bbdbab5233771577e1aea34a573818f13b27c34e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA55B | 10640 bytes |
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