MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=game+tekken+5+apk'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs. The document body, though heavily obfuscated, contains references to 'game tekken 5 apk' and the malicious URL, suggesting a lure for users to download potentially harmful content. The ML classifier also strongly indicated 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.ru/pify?keyword=game+tekken+5+apk
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/pabirifamuxap.pdf
- https://cdn.shopify.com/s/files/1/0441/2253/8136/files/relative_clause_ks2_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0472/2897/7317/files/41087597388.pdf
- https://cdn.shopify.com/s/files/1/0435/4726/3131/files/39364448994.pdf
- https://static.usrfiles.com/ugd/b8c837_c8b5fbe519dd4d489f77557477427c74.pdf
- https://static.usrfiles.com/ugd/dcfb95_9dc7095781b842cda84a79bcbe912bd7.pdf
- https://static.usrfiles.com/ugd/299074_948543cd521849cd9d1cacf1583cb5ea.pdf
- https://static.usrfiles.com/ugd/0bcf16_433b1c039ffd4538b2021c1e490b4a95.pdf
- https://static.usrfiles.com/ugd/33ab24_46cf4a01dd9d41428f63b1e312b16c05.pdf
- https://cdn.shopify.com/s/files/1/0431/0522/2818/files/6293332883.pdf
- https://cdn.shopify.com/s/files/1/0431/5784/8224/files/java_jdk_7_download_for_windows_7_64.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_off00006190.binf91d4d7e018b9b5a96b44a70b8e0b530edd382526cbf631ea8a13b08b03e9405 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6190 | 3628 bytes |
font_01_sfnt_off00006e7c.bin70eb673eb5266517be7ee7b940f424b29aa9d81929728fa0e8b2ba436b4a2f65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E7C | 4876 bytes |
font_02_sfnt_off00007f0e.bind9fd6e8c86c1ebe193b8d8eb21c881bc8084767aebd63cd8bcdac2497323779b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F0E | 9920 bytes |
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