MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=journal+bryophytes+pdf'. This URL is embedded within the document's body, disguised as a journal title. The presence of numerous other external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility. 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/pify?keyword=journal+bryophytes+pdf
- http://files.hollygunn.com/uploads/1/3/1/6/131606968/gaxowes.pdf
- http://xavulaxi.jasonmeek.com/uploads/1/3/1/4/131483254/tiwanonifapolus_gutet.pdf
- http://files.tanooklings.com/uploads/1/3/0/8/130874030/nofujefiludonavog.pdf
- http://files.silverstreetlutheranchurch.com/uploads/1/3/1/3/131398268/losot.pdf
- http://files.herrimanhighchoirs.org/uploads/1/3/1/3/131398164/63cab2e.pdf
- https://cdn.shopify.com/s/files/1/0432/8564/3420/files/74624546989.pdf
- https://cdn.shopify.com/s/files/1/0433/6756/3418/files/36818099453.pdf
- https://cdn.shopify.com/s/files/1/0431/3025/7568/files/cub_cadet_service_manual_free.pdf
- https://cdn.shopify.com/s/files/1/0432/4425/7442/files/litesurafiwevarotez.pdf
- https://cdn.shopify.com/s/files/1/0432/4638/7367/files/57086410134.pdf
- https://cdn.shopify.com/s/files/1/0439/3671/0824/files/gipinuxabodoxojoxodikojaf.pdf
- https://cdn.shopify.com/s/files/1/0434/0622/9654/files/25026278204.pdf
- https://cdn.shopify.com/s/files/1/0437/3993/8970/files/56139759288.pdf
- https://cdn.shopify.com/s/files/1/0433/3853/0965/files/sobegidoxagovugebowuno.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40814320730.pdf
- https://cdn.shopify.com/s/files/1/0433/8286/6083/files/22628839270.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_off0000cd84.bin031b1e4fabc3306103d228585a6760264b90e244366b2f1b1bbb52d916892045 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD84 | 5360 bytes |
font_01_sfnt_off0000dfb8.bin5a425531cfd02ca0e855bd170396aa0b7d1b478862179eb3bc3c4c96b96a014f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB8 | 10676 bytes |
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