MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is a strong indicator of malicious intent. The document also features a large number of external PDF links, suggesting a link farm or SEO abuse tactic. The presence of a password-protected archive lure heuristic indicates the document is likely a dropper or part of a multi-stage attack, aiming to conceal a payload.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.com/pify?keyword=avitaminosis+en+aves+pdf
- http://files.shoplevena.com/uploads/1/3/0/7/130739614/1072577.pdf
- http://galobidi.jacobsladderbrookside.com/uploads/1/3/0/9/130969356/riwonajadoxavig.pdf
- http://files.gabriellefreiretherapy.com/uploads/1/3/1/4/131438216/1d132aa8a29fb0c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/21035982354.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/32761348550.pdf
- https://cdn.shopify.com/s/files/1/0436/2105/6672/files/63641817229.pdf
- https://cdn.shopify.com/s/files/1/0436/3105/0915/files/leroi_compressor_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/xivilotigedu.pdf
- https://cdn.shopify.com/s/files/1/0436/5336/5910/files/guvofaxofizugekeriwu.pdf
- https://cdn.shopify.com/s/files/1/0438/3876/7264/files/pejefav.pdf
- https://cdn.shopify.com/s/files/1/0437/0310/7752/files/dujidusekaginasiguja.pdf
- https://cdn.shopify.com/s/files/1/0429/4079/2999/files/10163966237.pdf
- https://cdn.shopify.com/s/files/1/0433/4541/2254/files/71676863813.pdf
- https://cdn.shopify.com/s/files/1/0434/1828/8277/files/sakute.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_off0000643f.bin605cdf688aca237f43fa05e9108f10de94a639ad2e5f416aedc1d23aeec7af66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x643F | 5108 bytes |
font_01_sfnt_off000075a0.bina1940ddac98a4ea9c88100abad5f45d30bed7f57b6a165dcdf1ad8d66842aa38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75A0 | 11096 bytes |
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