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 'https://ttraff.ru/wb?keyword=difference%20of%20perfect%20squares%20factoring%20worksheet'. This indicates the document's primary purpose is to trick users into visiting a potentially harmful external site. The PDF also exhibits characteristics of a link farm, with numerous embedded links, further supporting the malicious redirection intent.
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=difference%20of%20perfect%20squares%20factoring%20worksheet In PDF document text
- http://files.lucascountyshac.org/uploads/1/3/0/9/130969573/varivuvatetop_batoxopajade.pdfIn PDF document text
- http://files.jaml.org/uploads/1/3/1/6/131607163/737587.pdfIn PDF document text
- http://files.academycounselling.com/uploads/1/3/1/3/131384735/a9e23.pdfIn PDF document text
- http://files.dptrackandfield.org/uploads/1/3/0/9/130969358/benurulewudigoganibu.pdfIn PDF document text
- http://files.tinydapperfox.com/uploads/1/3/1/1/131164174/pefev_juriravoninubag_fezolemux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/0450/9853/files/80715128979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8098/1403/files/vuromekaxafiraluti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7243/7910/files/vuwurobopopomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8444/5864/files/dogavodut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6839/9524/files/46535751152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0631/9001/files/rise_of_afrikaner_nationalism_essay.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3849/9235/files/15616956337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/16991444496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3000/3357/files/zutusasuzuza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7394/4217/files/safety_precautions_in_welding_workshop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5023/8101/files/80647962659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4486/4149/files/desuzezapake.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000716c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x716C | 5408 bytes |
SHA-256: 2c3445f85fe67d7a6cc06cf4558e94c9286192026f2de31d8d89f689487bbe0a |
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font_01_sfnt_off000083e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E2 | 10744 bytes |
SHA-256: b1ff5fdf2ec5bc2e9aa64f5a565373067811583eeb8880d1cec3ed65fcb64afa |
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font_02_sfnt_off0000a898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA898 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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