MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of embedded links, many of which point to a link farm designed to manipulate search engine results. One prominent link directs to a known malicious redirector at 'https://ttraff.ru/pify?keyword=betaina+trimetilglicina+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting a deliberate attempt to drive traffic to malicious infrastructure. 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=betaina+trimetilglicina+pdf
- http://felames.inbirdcompany.com/uploads/1/3/1/3/131384169/5887560.pdf
- http://files.onpointhomevestments.com/uploads/1/3/2/7/132740204/4212578.pdf
- http://gewanokak.streetlynxshop.com/uploads/1/3/0/7/130738870/kadifo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tavolotifejenirogamofiv.pdf
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/18983159665.pdf
- https://cdn.shopify.com/s/files/1/0433/3846/5435/files/liberty_city_cheat_codes.pdf
- https://cdn.shopify.com/s/files/1/0434/7812/2649/files/vigepavokevuparedibij.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9080/files/76153498365.pdf
- https://cdn.shopify.com/s/files/1/0435/6089/4627/files/wijamadurowopovagi.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/taylor_swift_22_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15796621189.pdf
- https://cdn.shopify.com/s/files/1/0430/9060/8285/files/lokenugonudas.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6682/files/62106603565.pdf
- https://cdn.shopify.com/s/files/1/0429/8542/2997/files/27916582404.pdf
- https://cdn.shopify.com/s/files/1/0440/3865/2069/files/61402936544.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_off00006697.bin214d149115a0fbe6278b600ed4ed6a413360e034a2d374ed37e1175b43c99b64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6697 | 5344 bytes |
font_01_sfnt_off000078b3.bin93ac02cbd07cd560dd7bfb6fdc4e4b404bed8d2e4314ae9a1ddedde3fd07d32c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B3 | 14280 bytes |
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