MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=heroku+delete+app'. Additionally, a high severity heuristic indicates a 'Clipboard command execution lure', suggesting the document instructs the user to copy and paste content into a shell. This combination strongly implies the document is designed to trick users into executing malicious commands, likely to download and run a secondary payload. No scripts were extracted, but the presence of numerous embedded URLs, including the malicious redirector, supports this attack pattern.
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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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=heroku+delete+app In PDF document text
- http://files.therapyandlearningservices.com/uploads/1/3/0/8/130814124/c2a23698c.pdfIn PDF document text
- http://files.attitudeofservice.net/uploads/1/3/0/7/130739039/pijobideluzosi_nusudivegibor.pdfIn PDF document text
- http://files.healthsenseamsterdam.nl/uploads/1/3/0/8/130813550/kumolokibagurip-mumexefogatitew-norakasefi-weviravivegifo.pdfIn PDF document text
- http://files.thomasjamesolearydirector.com/uploads/1/3/0/9/130969238/sexaxaru.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/1/0432/8115/4198/files/69105353284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8507/8423/files/53072767784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3282/8314/files/pr_cover_letter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7108/6492/files/65231570526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6834/8830/files/93673713921.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3245/3015/files/pogodejimeju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9229/6358/files/64950793774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3219/0876/files/robajizonipatazubojarebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/xolepomegisixus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/walezilufotalenuzodumis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4736/0414/files/90541915969.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wudusojixidotivage.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_off00007826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7826 | 4800 bytes |
SHA-256: b7c71aefdf11bdca24c69a9827ce5beeeea2ac660afa82ee94d7a35a258c2c07 |
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font_01_sfnt_off00008883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8883 | 13588 bytes |
SHA-256: 8c3108c6e1dc772c7d00cb0da7e4d75cbd87199f557ffa97ab697c7aede7c612 |
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