MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, embedding numerous URLs. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=afro+cirkus+song'. The document body also contains this URL and other embedded links, suggesting a primary goal of directing users to potentially harmful external sites. The presence of many Shopify-hosted PDF links, while individually benign, contributes to the overall deceptive nature of the document.
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=afro+cirkus+song In PDF document text
- http://files.munaturals.com/uploads/1/3/1/4/131437676/jolase.pdfIn PDF document text
- http://files.funnyfacespz.co.uk/uploads/1/3/1/0/131070452/6050995.pdfIn PDF document text
- http://files.mrshalford.com/uploads/1/3/2/8/132814680/lezuguje.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/1/0432/2243/3953/files/zixukopudinasulud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/pemadunotusixaselo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56802730071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/megomububoramiwuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9117/3278/files/nadekul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9869/4049/files/vavireseberidobipusum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53567737566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1175/1579/files/zokedufolifujovorafodom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4814/7867/files/gopimuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6208/3232/files/98546779338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3477/9553/files/9840742677.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000a151.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA151 | 22780 bytes |
SHA-256: 405a3cf200a06cc0d4e16c3c46acfcd15989a1d1094906007f813ebf79348af5 |
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font_00_sfnt_off00005a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A3C | 3312 bytes |
SHA-256: 19fe6d3511270ee3ff4fbce704f5f4a9fb9182a4344e37e40a38d55828b07e20 |
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font_01_sfnt_off0000661d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x661D | 4860 bytes |
SHA-256: 98310f76079bc3da329224d7d5ebe7139ce2f0a7c9403311644328d24c3055ee |
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font_02_sfnt_off000076cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76CB | 13348 bytes |
SHA-256: b4c21f72cf7b300278ae765b4ed35240f4c6e4eb2a7d3d880d8efa0f2703396f |
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