MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious File
The PDF contains a heuristic firing for a malicious redirector link pointing to ttraff.ru, which is also listed as an IOC. Additionally, the document body and heuristics indicate a social engineering lure to install a browser extension or view content, common for credential theft or malware installation. The PDF also hosts a link farm, suggesting an attempt to manipulate search engine results.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=free+bootstrap+login+templates In PDF document text
- http://files.arieschainmailandleather.org/uploads/1/3/0/9/130969686/govijiwewo.pdfIn PDF document text
- http://files.ivoryemily.com/uploads/1/3/2/3/132303407/1929298.pdfIn PDF document text
- http://zejonusas.danielmckeon.net/uploads/1/3/1/4/131454440/gepidiwenidef.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/1/0433/4583/8239/files/biblioteca_online_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8553/6161/files/44216862073.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8093/1742/files/xeduzukegewogala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4746/0768/files/bakezafozimekusakigut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31968244380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/veponexumanun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8652/8155/files/futovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2063/9646/files/xipesegewifobike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3394/2423/files/57922162494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2744/5413/files/deriniguzevudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7149/5574/files/geographical_information_systems_in_archaeology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5127/0815/files/20402318536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6556/5589/files/list_of_architecture_colleges_in_pune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1740/2530/files/63791979015.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_off00008d96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D96 | 5236 bytes |
SHA-256: 6fea70884df34df18f75e100fee16f0bbbbf01cb157c00f2935bdb6abafb7462 |
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font_01_sfnt_off00009f48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F48 | 11012 bytes |
SHA-256: afffdaa0b9d60a921161a413a2f60135c9f7edef801524e254bc12175917b2ef |
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