MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1059.003 Windows Command Shell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru', which is used in a lure to trick users into executing commands. The document body explicitly instructs the user to copy and paste content into a shell context, aligning with the 'SE_CLIPBOARD_COMMAND_LURE' heuristic. This suggests the PDF is designed to facilitate the execution of further malicious code, likely by downloading a payload from the provided URL. The presence of numerous external PDF links also indicates a link farm strategy, potentially for SEO poisoning or distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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=how+to+upload+projects+to+github In PDF document text
- http://files.photopiakc-photobooths.com/uploads/1/3/1/4/131438111/6072004.pdfIn PDF document text
- http://files.kirkmarlenespain.com/uploads/1/3/0/7/130740298/5564514.pdfIn PDF document text
- http://files.supportiveconceptionssurrogacy.com/uploads/1/3/1/4/131406060/2396154.pdfIn PDF document text
- http://files.silverrescue.org/uploads/1/3/1/3/131398334/likiremegemop.pdfIn PDF document text
- http://files.soundplanning.com/uploads/1/3/0/8/130813855/c7cbc8.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/1/0433/8394/7414/files/benoruwaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/21873802217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8246/4928/files/71560041420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0409/2839/files/gibomiboxawifed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2797/files/63385010862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zonamanasalusowalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6309/9040/files/vufifovonomojuropavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0119/2352/files/wisolukij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6660/5211/files/35425725331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6119/8500/files/66294103425.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_off0000591f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x591F | 5604 bytes |
SHA-256: ca3af052515f2996413f31d9d00d394303a20c99e7440d7fd23fae6c305d00ed |
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font_01_sfnt_off00006c34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C34 | 10644 bytes |
SHA-256: 65d089dd598aa79a624dd5e8a417f00eea03cc0ce8ad24cced7c3b0cde9d3b1b |
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