MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) that is associated with malicious activity. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to attract users through SEO tactics, likely for phishing or malware distribution. The presence of a password-protected archive lure suggests an attempt to bypass security scanning.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.ru/pify?keyword=trainer+burnout+paradise+pc In PDF document text
- http://files.lindalavender.com/uploads/1/3/1/4/131437061/davikedobavanaf_zaganaziderapo_keloxabeba_safagifek.pdfIn PDF document text
- http://files.katiemachain.com/uploads/1/3/1/4/131455283/57a787ca629.pdfIn PDF document text
- http://files.balasanabodywork.com/uploads/1/3/1/8/131871894/725b52275d6d98.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5725/8401/files/segabiwowubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/faramerujinusopuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6802/1141/files/eastern_nc_saltwater_fishing_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3591/8489/files/69350344313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5381/8790/files/dusolukasex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7507/5225/files/31439524572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0496/0661/files/sabbath_school_lesson_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4946/0636/files/97164482357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9674/4871/files/gikutaleve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9037/0975/files/damodaran_on_valuation_2nd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/najas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4449/4760/files/centurylink_prism_tv_guide_phoenix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6952/1568/files/joluwuzeluwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1065/3338/files/50914790757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/notes_on_digestive_system_of_human_body.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006397.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6397 | 5124 bytes |
SHA-256: 0ec495ad7cc814510641e931a787274ba8d7b29f83f8700e13a34ccd106cf1d3 |
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font_01_sfnt_off000074f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74F8 | 10608 bytes |
SHA-256: 2bdce68e1ca3dc61029dbdeab4c51680c194703b6a22509a5c89cd3fe90340c4 |
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