MALICIOUS
294
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document impersonates a cloud document service to lure users into clicking a link, which redirects to malicious infrastructure. The document contains a mass external PDF link farm, with many links pointing to Shopify-hosted PDFs, likely for SEO manipulation. The primary redirector URL is https://ttraff.ru/pify?keyword=android+sdk+folder+macos, which is flagged as malicious. The document also instructs the user to interact with clipboard content, suggesting a potential execution vector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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=android+sdk+folder+macos In PDF document text
- http://files.delcoalliance.org/uploads/1/3/1/6/131606890/6324387.pdfIn PDF document text
- http://zubilamim.frenchpeakwines.com/uploads/1/3/1/4/131407164/doniniwo_gutesuvokis_xepoka_zevike.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/1/0436/7735/2089/files/toy_blast_game_apkpure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7315/8812/files/28616194613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pegofegomena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4267/6636/files/ledotuziwizanapal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/1871052079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2143/4023/files/towogubijul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2119/7724/files/zowoviminojozunesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2814/3510/files/zakonosagejaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6948/8798/files/memedizil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2891/4074/files/vemenowumafekejab.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_off0000b048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB048 | 5220 bytes |
SHA-256: 13769eab41c7771ef9262f4925c2bb36b9f1b54d10b7bd4d188ffdf346fa18e5 |
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font_01_sfnt_off0000c1ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1ED | 15736 bytes |
SHA-256: c955d9856fe134c72d5ba2f13b84e33082a642b6803e6f7bc2d0c8c4a3875b0a |
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