MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.ru. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links designed to appear as SEO-optimized content. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be directing users to malicious infrastructure through deceptive links.
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/wb?keyword=dupont%20manual%20high%20school%20louisville%20ky%20football In PDF document text
- http://files.comforttrainer.net/uploads/1/3/2/6/132681002/4312007.pdfIn PDF document text
- http://files.newcastlenetworkinggroup.com/uploads/1/3/0/8/130813887/90ec99c3.pdfIn PDF document text
- http://files.catrionayoga.com/uploads/1/3/0/7/130775241/7243491.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://gutekod.files.wordpress.com/2020/07/tolevopomuxaraja.pdfIn PDF document text
- https://jekiwex.files.wordpress.com/2020/06/33273374672.pdfIn PDF document text
- https://nabukeb.files.wordpress.com/2020/06/15426559099.pdfIn PDF document text
- https://nedetepu.files.wordpress.com/2020/07/tafiluxezijasidenogu.pdfIn PDF document text
- https://jovumisev.files.wordpress.com/2020/07/51154166273.pdfIn PDF document text
- https://gakazorex.files.wordpress.com/2020/07/33792619801.pdfIn PDF document text
- https://fikuravere.files.wordpress.com/2020/06/rorirowofor.pdfIn PDF document text
- https://tasebetov.files.wordpress.com/2020/07/fipabolipo.pdfIn PDF document text
- https://sorudaxib.files.wordpress.com/2020/07/wadunonexupegipileti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3706/4344/files/desoxijuwawuwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/powopasotekemitifel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5860/9817/files/399606343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5444/8286/files/16989115762.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/zimeburireperokoriniv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/beloromawodosuxaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/26207254187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8510/3255/files/66128302277.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_off000068eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EB | 5580 bytes |
SHA-256: 0d2d1b704e810cc757423c40bb4a2f7954ce6103b95db5357b10c50ed449e1f3 |
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font_01_sfnt_off00007bcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BCB | 10068 bytes |
SHA-256: 36d57108d670e63e30434a9617807631fcf530b12d77fb946bd956ca2a64562a |
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