MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, specifically pointing to 'https://ttraff.ru/pify?keyword=windows+10+offline' which is flagged as a malicious redirector. The document body also contains this URL and a link to a Shopify PDF, suggesting a phishing or scam attempt to trick users into downloading a payload. The presence of embedded URLs and the ML classifier's high confidence further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=windows+10+offline In PDF document text
- http://files.grandpopsarmynavy.com/uploads/1/3/2/7/132740494/164f149.pdfIn PDF document text
- http://files.kikcrafts.com/uploads/1/3/1/6/131637273/5995869.pdfIn PDF document text
- http://welelibim.avongrovecommunity.org/uploads/1/3/2/6/132680874/216af08f354.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/1/0434/7212/6117/files/voxavasuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6881/7562/files/xosozujosizuwejewufojeja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6469/6732/files/minecraft_forge_libraries_failed_to_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8926/4794/files/cpm_homework_answers_cc3_chapter_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8384/2215/files/wexinodaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8099/1388/files/99933280528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7552/6042/files/92137385297.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2434/1400/files/59232569780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1808/1688/files/novirisuredetoganej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2703/8369/files/adding_and_subtracting_directed_numbers_worksheet_tes.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_off000063c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C4 | 4604 bytes |
SHA-256: 4de60237624147fb516b7ae17fff548550a11e4fbb34d87cb4f8815fa1ff1a60 |
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font_01_sfnt_off0000738a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738A | 10616 bytes |
SHA-256: 3c18b8d7c44477211673b446becec49bcc2e4473f3745f829d1696af2e18b762 |
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font_02_sfnt_off000097cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97CF | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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