MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text referencing a crossword puzzle and a URL that appears to be part of a lure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=craggy+hill+crossword+answer, which likely redirects to a further malicious payload. The ML classifier also strongly indicated maliciousness.
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=craggy+hill+crossword+answer
- http://tovuwajuf.elycehelford.com/uploads/1/3/2/6/132682467/5356096.pdf
- http://files.vealsphotography.com/uploads/1/3/1/3/131383953/fibogegiradat.pdf
- http://gezete.astrojournals.com/uploads/1/3/0/8/130814297/4692178.pdf
- http://files.expert-consultations.com/uploads/1/3/0/8/130815014/kujuwodusipiz.pdf
- http://files.t3chlan3.com/uploads/1/3/0/9/130969059/7253293.pdf
- https://cdn.shopify.com/s/files/1/0429/8525/9159/files/lomamakejapiromubirebe.pdf
- https://cdn.shopify.com/s/files/1/0433/9191/0038/files/39428271307.pdf
- https://cdn.shopify.com/s/files/1/0439/0250/1016/files/abscesos_cutaneos_tratamiento.pdf
- https://cdn.shopify.com/s/files/1/0427/5752/1574/files/john_deere_7510_for_sale.pdf
- https://cdn.shopify.com/s/files/1/0431/7921/2960/files/minecraft_wild_west.pdf
- https://cdn.shopify.com/s/files/1/0431/2953/6676/files/nidirejonefa.pdf
- https://cdn.shopify.com/s/files/1/0430/6753/9623/files/36971423372.pdf
- https://cdn.shopify.com/s/files/1/0438/1884/4322/files/6179018144.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_off00004aaf.bin9f837d3aaf023d166175224af8ec82a614253a3364bcf6d67c520d1aa3d3d691 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AAF | 5300 bytes |
font_01_sfnt_off00005cb6.bina4a69e2bebe04c1cc1ee09c0db9eda52f9ff51af7722f79a8c6956ab84d7ebcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CB6 | 9976 bytes |
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