MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with the primary malicious redirector identified as https://ttraff.ru/pify?keyword=synonyms+and+antonyms+pdf+for+nda. This URL is likely used to direct users to further malicious content or phishing sites. The document body and embedded links suggest a lure related to 'synonyms and antonyms pdf for nda' to entice clicks. The ML classifier 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/pify?keyword=synonyms+and+antonyms+pdf+for+nda
- http://files.lisakleinspeech.com/uploads/1/3/0/9/130969438/3c3f90ab4.pdf
- http://files.marinegeosciences.com/uploads/1/3/0/7/130738852/1426791.pdf
- http://files.walkingandreading.ca/uploads/1/3/1/8/131856723/temofirijijajadozepo.pdf
- http://tetivo.karencourtapartments.net/uploads/1/3/1/4/131406665/buzizijajode.pdf
- http://files.theunrequitedkitchen.com/uploads/1/3/1/3/131378990/ce98ad0.pdf
- https://cdn.shopify.com/s/files/1/0428/3426/4231/files/88527373198.pdf
- https://cdn.shopify.com/s/files/1/0432/4871/3896/files/83799809550.pdf
- https://cdn.shopify.com/s/files/1/0429/0609/1687/files/zunawamilutenudomopixoji.pdf
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/pumovapejotikogojaza.pdf
- https://cdn.shopify.com/s/files/1/0428/5680/8615/files/medivitedizuketanaj.pdf
- https://cdn.shopify.com/s/files/1/0432/8482/4222/files/farovakixorizezobo.pdf
- https://cdn.shopify.com/s/files/1/0435/1092/3423/files/zokixuxovageloxizebobobi.pdf
- https://cdn.shopify.com/s/files/1/0427/8353/9366/files/40623733854.pdf
- https://cdn.shopify.com/s/files/1/0434/1887/8114/files/mass_of_creation_memorial_acclamation.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_off0000678e.binbe2ee7992b231dd57d56e73c5bc077f9d68805d3730665df0a8e27e22a427086 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678E | 5360 bytes |
font_01_sfnt_off000079b3.bin3648a06d37af696f0e74b1b99cad6e0dd94c6d2b45a2d0a226e133aff1ea7f38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B3 | 10520 bytes |
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