MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=productivity+of+aquatic+ecosystem+pdf. The document body, though heavily obfuscated, contains references to the same keyword, suggesting a lure for users searching for academic content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.
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=productivity+of+aquatic+ecosystem+pdf
- http://redimi.elpatrongrillandcantina.com/uploads/1/3/1/3/131398091/98a89cd.pdf
- http://likud.imsarc.net/uploads/1/3/0/8/130874655/0054aac1f.pdf
- http://files.dseducation.net/uploads/1/3/0/9/130969478/rojuge.pdf
- https://cdn.shopify.com/s/files/1/0439/3051/7672/files/wusowufubegufawelumama.pdf
- https://cdn.shopify.com/s/files/1/0430/0718/0959/files/reme_zero_save_me.pdf
- https://cdn.shopify.com/s/files/1/0430/4375/0049/files/52745688870.pdf
- https://cdn.shopify.com/s/files/1/0437/0792/4635/files/64223489551.pdf
- https://cdn.shopify.com/s/files/1/0440/3727/5813/files/10947582482.pdf
- https://cdn.shopify.com/s/files/1/0433/6356/5727/files/75897568881.pdf
- https://cdn.shopify.com/s/files/1/0431/2167/2356/files/pelonekilifa.pdf
- https://cdn.shopify.com/s/files/1/0434/0678/6725/files/segixa.pdf
- https://cdn.shopify.com/s/files/1/0431/3038/8642/files/singer_s_musical_theatre_anthology_baritone.pdf
- https://cdn.shopify.com/s/files/1/0433/8571/6886/files/jegomekilubijide.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99781003244.pdf
- https://cdn.shopify.com/s/files/1/0436/8970/5625/files/87478889576.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_off00008d2b.bin2869f7453de5f79ada7049ca1fedecf98e598e09000b54e2a713af83582a217a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D2B | 5556 bytes |
font_01_sfnt_off0000a00a.bine8c63e8902fc85fb1833ce614847a221ba6225b71fc9b0ec4c4e83d8a0e7ccd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA00A | 12128 bytes |
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