MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=a+to+z+animal+name+list+pdf'. The document body, though heavily obfuscated, also contains this URL. The presence of numerous links, including the malicious redirector, strongly suggests a phishing or malware distribution attempt.
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=a+to+z+animal+name+list+pdf
- http://files.prairieprecisionsteel.ca/uploads/1/3/1/6/131606874/86177f6.pdf
- http://files.glogodsloveonly.com/uploads/1/3/0/8/130874023/5919930.pdf
- http://jiteg.teashopyyc.com/uploads/1/3/1/4/131407901/8566e8f29881a0b.pdf
- http://files.fyiexpress.com/uploads/1/3/1/3/131383619/3833906.pdf
- http://files.tntdeesign.com/uploads/1/3/0/7/130738823/kexiju_warikaxuxu_difanakutikepo.pdf
- https://cdn.shopify.com/s/files/1/0429/6926/8373/files/81612060872.pdf
- https://cdn.shopify.com/s/files/1/0430/9552/3485/files/fotilugun.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2836/files/nezugokimekituzulanaga.pdf
- https://cdn.shopify.com/s/files/1/0435/5630/7107/files/65869092368.pdf
- https://cdn.shopify.com/s/files/1/0433/7831/1326/files/4t65e_transmission_diagram.pdf
- https://cdn.shopify.com/s/files/1/0437/0461/5066/files/92508143400.pdf
- https://cdn.shopify.com/s/files/1/0437/7326/4030/files/mathematical_proofs_3rd_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/1109/6221/files/relexibag.pdf
- https://cdn.shopify.com/s/files/1/0431/5774/9917/files/95169523039.pdf
- https://cdn.shopify.com/s/files/1/0429/9236/9823/files/92967544112.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_off00006b23.binc43d3a0190feb999826d1462ee0ee25dbe6316b2b8fc364e104194b4f76ef5eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B23 | 5132 bytes |
font_01_sfnt_off00007c96.bin57527fa964f51521311d235aba649c3a2b0fa336f86b8774e36c3e67e996bade |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C96 | 10280 bytes |
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