MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, one of which, 'https://ttraff.ru/pify?keyword=50+states+song+lyrics', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain similar URLs, suggesting an attempt to trick users into clicking malicious links. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to host further malicious content.
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=50+states+song+lyrics
- http://files.pvtennisclub.com/uploads/1/3/2/7/132710689/nuvumidobune.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9733/3668/files/77435003119.pdf
- https://cdn.shopify.com/s/files/1/0459/8661/1357/files/original_marksheet_up_board_2013.pdf
- https://cdn.shopify.com/s/files/1/0435/6295/9006/files/81154385599.pdf
- https://cdn.shopify.com/s/files/1/0437/6988/8920/files/4598269154.pdf
- https://cdn.shopify.com/s/files/1/0440/1207/7206/files/.pdf
- https://cdn.shopify.com/s/files/1/0438/6793/0789/files/b._sc_2nd_year_maths_book.pdf
- https://cdn.shopify.com/s/files/1/0435/4218/4095/files/luwusutomogep.pdf
- https://cdn.shopify.com/s/files/1/0436/6457/2569/files/15102665230.pdf
- https://cdn.shopify.com/s/files/1/0431/8029/4298/files/pubatorof.pdf
- https://cdn.shopify.com/s/files/1/0441/2493/0200/files/ak_jain_physiology_google_drive.pdf
- https://cdn.shopify.com/s/files/1/0427/8062/3015/files/21488482557.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e4b.bin102acd9de0331b22dddb185b418afd69e130a9ae321a530c83f245a2a6a6a72f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E4B | 5240 bytes |
font_01_sfnt_off00007028.bin5233cd4e10336e8cc119805f2488dca96dd4b6574448eed11311932962d5dc29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7028 | 11932 bytes |
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