MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link farm pointing to known malicious redirector infrastructure. The primary malicious URL identified is ttraff.ru. The document body itself is heavily obfuscated and contains a mix of legitimate-looking text and the malicious URLs, suggesting a lure to trick users into clicking the links. The ML classifier also strongly flagged this PDF as malicious.
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/wb?keyword=pdf%20books%20marketing%20management
- http://bedubila.themindfulsquad.com/uploads/1/3/0/8/130813509/depekajafe.pdf
- https://cdn.shopify.com/s/files/1/0435/5126/0836/files/redkaraoke_party_app.pdf
- https://cdn.shopify.com/s/files/1/0429/1624/9767/files/junatijexomu.pdf
- https://cdn.shopify.com/s/files/1/0438/6521/1035/files/89592914345.pdf
- https://cdn.shopify.com/s/files/1/0432/5815/1072/files/92528511936.pdf
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/58427462932.pdf
- https://cdn.shopify.com/s/files/1/0437/6759/5165/files/15739178634.pdf
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/nsk_ball_bearing_catalogue_download.pdf
- https://cdn.shopify.com/s/files/1/0432/8977/2187/files/bleacher_report_bears_vikings.pdf
- https://cdn.shopify.com/s/files/1/0430/2772/6489/files/8967212484.pdf
- https://cdn.shopify.com/s/files/1/0433/4993/4231/files/velew.pdf
- https://cdn.shopify.com/s/files/1/0428/8000/8355/files/93894961399.pdf
- https://cdn.shopify.com/s/files/1/0432/9517/8902/files/20741224188.pdf
- https://cdn.shopify.com/s/files/1/0432/1411/0880/files/ankylosing_spondylitis_book.pdf
- https://cdn.shopify.com/s/files/1/0434/6652/2790/files/fomofowawarimi.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_off00005dfc.bin61782adc56130fd7010c33021eedb8506ca220d140ff195b1d1e3074a674aa20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DFC | 5400 bytes |
font_01_sfnt_off00007044.bina3eeeec82f1b722f5812833d5ac03e0035ded33c54c33af9a26bebf7242c8b3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7044 | 9904 bytes |
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