MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though heavily obfuscated, contains the same suspicious URL. This indicates a link farm attack pattern, likely intended to lure users to malicious sites. The ML classifier strongly supports the malicious verdict.
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=possessive+adjectives+long+form+in+spanish
- http://files.roberthillpsychologist.com/uploads/1/3/0/9/130969572/jibepibemi.pdf
- http://files.alcyonelodge695.com/uploads/1/3/1/1/131164317/e2ca7fcca.pdf
- http://files.mountainviewfamilypracticepc.com/uploads/1/3/0/7/130775592/vebegal.pdf
- https://cdn.shopify.com/s/files/1/0430/8592/2466/files/5090259401.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/56002925172.pdf
- https://cdn.shopify.com/s/files/1/0427/9071/5548/files/vazovezajujulimevi.pdf
- https://cdn.shopify.com/s/files/1/0436/1610/8701/files/tosugibujirenidev.pdf
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/gusekutotarobegiluxodowuk.pdf
- https://cdn.shopify.com/s/files/1/0438/4774/5698/files/rapiga.pdf
- https://cdn.shopify.com/s/files/1/0428/5811/9334/files/fatideborinewolojubux.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lapifobojupe.pdf
- https://cdn.shopify.com/s/files/1/0435/5234/2184/files/lopor.pdf
- https://cdn.shopify.com/s/files/1/0438/8130/0123/files/78690590752.pdf
- https://cdn.shopify.com/s/files/1/0432/9262/3001/files/mudinukisowuvafanesor.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/33540287451.pdf
- https://cdn.shopify.com/s/files/1/0430/5597/2505/files/zalus.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_off00007341.bin47aec005b9a6725c0716ebd409aceecc7e6204a653a9a9e8340e865a73a1205d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7341 | 5704 bytes |
font_01_sfnt_off0000868f.bin5ec8fe6a42bb9a21ebed6a38756a5233cc48a8385f80c61ae232e681c8405c43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x868F | 12632 bytes |
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