MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests the document is part of a link farm, likely to improve search engine ranking for malicious content. The embedded URL `https://ttraff.ru/pify?keyword=autonomic+nervous+system+sympathetic+and+parasympathetic+pdf` is the primary indicator of malicious intent, serving as a redirector.
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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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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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=autonomic+nervous+system+sympathetic+and+parasympathetic+pdf In PDF document text
- http://files.sabrinaeisenbarth.com/uploads/1/3/1/8/131871390/rurofofodixux-doladefelozin.pdfIn PDF document text
- http://files.sweetlemonyarn.com.au/uploads/1/3/0/7/130739444/zabigulisu.pdfIn PDF document text
- http://files.boobybalm.com/uploads/1/3/1/4/131454567/batapiwupalorir.pdfIn PDF document text
- http://files.nurturingtouchspecialist.com/uploads/1/3/1/1/131164531/693565.pdfIn PDF document text
- http://files.apeandape.com/uploads/1/3/1/6/131636745/755513.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/1/0432/6211/6008/files/17930802540.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81236671698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3862/9270/files/18978539586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/mufejizonefikuwumuwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8939/3816/files/50_tons_de_liberdade_grey.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4763/2548/files/luvunavujamedam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9078/9020/files/85840559960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1468/3815/files/archinteriors_31.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0654/0445/files/celebrate_recovery_step_study.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2702/1480/files/zubunivizelifade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/datagubebekarazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8488/2844/files/59923269999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1995/9463/files/42012063075.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_off000082b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82B8 | 5512 bytes |
SHA-256: f8163daa5f652796455b89b85643cfef35efedac2930999bec407df885951350 |
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font_01_sfnt_off00009556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9556 | 10272 bytes |
SHA-256: 39dfa3d54b310d3b0866c9a29bbd2d06e5979f4d495ddf871cf599d65edbb719 |
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