MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically identified as a link farm for SEO purposes. The primary redirector URL, 'https://ttraff.ru/pify?keyword=ielts+speaking+samples+book+pdf', is flagged as malicious and likely leads to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to 'Ielts speaking samples book pdf'.
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=ielts+speaking+samples+book+pdf In PDF document text
- http://files.qmathclass.com/uploads/1/3/0/7/130740502/rutug.pdfIn PDF document text
- http://files.crossfitvultus.com/uploads/1/3/1/3/131384663/matibukumaxix-kabevusuderug.pdfIn PDF document text
- http://files.flyfishingcoyhaique.com/uploads/1/3/1/4/131454304/7539451.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/1/0432/2898/7547/files/fonowagokukox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/89472853268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5592/1822/files/43277269081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35022180152.pdfIn PDF document text
- https://mixusobaso.files.wordpress.com/2020/07/zofadijosudofenafinugag.pdfIn PDF document text
- https://xituvodewam.files.wordpress.com/2020/06/vetadetowidiwafolibujedu.pdfIn PDF document text
- https://tazudumo.files.wordpress.com/2020/06/50502773604.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/72379065846.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6529/5526/files/lusuxor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4596/1383/files/zipafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0306/8068/files/pukubalosevekuxapireda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pesaveput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32773531818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2478/5319/files/migulinubugupoxulorubasol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8157/3279/files/15244949166.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EEF | 5196 bytes |
SHA-256: b0dad25e998c29219106dda5eab6bf801d690a4497648c55d776a012396d2ba8 |
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font_01_sfnt_off0000807b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x807B | 10028 bytes |
SHA-256: dedee217f0c645a9d7dece7c783fc641b855496092a256bf4392393dda417d05 |
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font_02_sfnt_off0000a2fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2FD | 16120 bytes |
SHA-256: 751f92ef85291b1701ea3386043310f9c552f4ef870028616695039d5d7a39ff |
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