MALICIOUS
154
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 external PDF files, suggesting a link farm or SEO abuse tactic. One of these links, https://ttraff.ru/pify?keyword=sherlock+holmes+arthur+conan+doyle+pdf+download, is known to redirect to malicious infrastructure. The document's content and structure are consistent with a lure to download further content, potentially malicious.
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=sherlock+holmes+arthur+conan+doyle+pdf+download
- http://files.christianmeditationrookies.com/uploads/1/3/1/8/131859993/jixopop.pdf
- http://files.gearupu.com/uploads/1/3/0/7/130776661/noxekezisoxofogogo.pdf
- http://files.artreflex.com/uploads/1/3/1/3/131398025/f2d6db3c9b59a.pdf
- http://files.199boxingwrestling.com/uploads/1/3/0/7/130738993/xodikako_baduvuleg_petexoj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/0645/2131/files/88071793431.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jisabisagubimebusogapasof.pdf
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/trumpet_classical_music.pdf
- https://cdn.shopify.com/s/files/1/0431/4329/9234/files/52624549930.pdf
- https://cdn.shopify.com/s/files/1/0429/0763/1783/files/26681996183.pdf
- https://cdn.shopify.com/s/files/1/0432/5831/4912/files/65530303208.pdf
- https://cdn.shopify.com/s/files/1/0429/9423/7589/files/rikofavojubomeni.pdf
- https://cdn.shopify.com/s/files/1/0430/7265/1413/files/87926538149.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gabagijujusudizal.pdf
- https://cdn.shopify.com/s/files/1/0435/7708/2019/files/51330522546.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_off0000572f.bin768c19deebecd378888be0419bc11d1edee33e0331d641f02dd55c4b991a3ebe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x572F | 5756 bytes |
font_01_sfnt_off00006ab8.bina07064a8284ff67e3a19266f747e399550ffc68a043f663ebfa39c31d47414a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB8 | 10612 bytes |
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