MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.club/wix?keyword=bittorrent+free++iphone', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and a lure related to 'Bittorrent free iphone'. The presence of numerous other links, many pointing to Shopify domains hosting PDFs, suggests a link farm or SEO poisoning tactic to drive traffic to the malicious redirector. The ML classifier strongly indicates maliciousness.
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.club/wix?keyword=bittorrent+free++iphone
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0432/5693/8646/files/jonares.pdf
- https://cdn.shopify.com/s/files/1/0437/7886/7358/files/27332632607.pdf
- https://cdn.shopify.com/s/files/1/0449/8161/6808/files/84930213224.pdf
- https://static.usrfiles.com/ugd/b8c837_5438891dc5434a468c13ac8b7442eab9.pdf
- https://cdn.shopify.com/s/files/1/0435/8704/3496/files/54705168910.pdf
- https://cdn.shopify.com/s/files/1/0431/5450/5885/files/vuvubopijuzakoselazes.pdf
- https://cdn.shopify.com/s/files/1/0437/4167/5685/files/rufawotibobunutokabilu.pdf
- https://cdn.shopify.com/s/files/1/0459/2635/0999/files/pubg_mobile_sanhok_map_guide.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006481.bina636d1ba5951c7956f625075b3efdeda10c1ddd15e827a4a3b7f1663db1c3bdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6481 | 4408 bytes |
font_01_sfnt_off00007368.bin0ee5cddab9ab9b0a4011bd44c9daa7426ead4f0cee294a96622324bf60b55a25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7368 | 10544 bytes |
font_02_sfnt_off00009778.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9778 | 4324 bytes |
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