MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including one to a known malicious redirector, ttraff.cc. The document body, though heavily obfuscated, appears to be a lure related to a lunar calendar, likely intended to trick users into clicking the malicious link. The ML classifier strongly supports the malicious nature of this PDF.
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=calendario+lunare+gennaio+2020+pdf
- http://ratuzinuk.kinosaurusjakarta.com/uploads/1/3/1/8/131871390/wekufenotunituwuj.pdf
- http://joziwofi.myroncotton.com/uploads/1/3/1/0/131070993/3176883.pdf
- http://files.bunnywigglebottom.com/uploads/1/3/0/8/130874207/tawojel.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/libidurekatomanazavevufi.pdf
- https://cdn.shopify.com/s/files/1/0448/7377/7319/files/bullying_and_cyberbullying_word_search.pdf
- https://cdn.shopify.com/s/files/1/0434/3355/8168/files/dovudirofofoxokaka.pdf
- https://cdn.shopify.com/s/files/1/0435/0764/6630/files/jurux.pdf
- https://cdn.shopify.com/s/files/1/0427/8062/3015/files/sevinajokoboba.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/velokiw.pdf
- https://cdn.shopify.com/s/files/1/0447/2215/9772/files/bsc_first_sem_syllabus_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/fozul.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/31984218913.pdf
- https://cdn.shopify.com/s/files/1/0436/4809/0270/files/stihl_fs_90_r_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/7104/4774/files/frightful_s_mountain_chapter_7.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_off0000473a.bin982606b06f7070b3de9905662be7d3b5f56e0d13a1049a876b0ca93227850592 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x473A | 5212 bytes |
font_01_sfnt_off000058fd.bin8447537b21bc586cef258c0b91278a9a19ce43f93384b762cd9b25bcaf90ba0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58FD | 9980 bytes |
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