MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
T1059.001 PowerShell
The PDF document contains a lure for a 'Word update' and presents a visual download button, aiming to trick the user into clicking a link. The primary malicious link, 'https://ttraff.cc/pify?keyword=word+update+all+fields', is identified as a redirector to known malicious infrastructure. Additionally, the document hosts a large number of external PDF links, many pointing to benign Shopify domains, but some are unknown, suggesting a link farm used for SEO poisoning or distributing malicious content. The presence of a browser extension installation lure further supports a social engineering attack vector for malware delivery.
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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.cc/pify?keyword=word+update+all+fields In PDF document text
- http://files.eatmeh3.org/uploads/1/3/0/7/130775403/7880837.pdfIn PDF document text
- http://files.pahasapagrotto.com/uploads/1/3/1/0/131070313/3b5e1fe.pdfIn PDF document text
- http://files.findstlr.com/uploads/1/3/1/1/131163669/gaxinefidefo-favosokif-wizinamumetukad-wigedikufaloxog.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/1/0427/7121/8588/files/71232113240.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1284/8790/files/69848503174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4292/0869/files/kofijukijunex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0806/3649/files/minecraft_id_list_pe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0177/4233/files/dozofuxosokawoborig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8621/7383/files/79070389751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3248/5793/files/pumaresidupizosovemimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5372/6358/files/42804170077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6355/8815/files/60646813366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/disusoxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0389/6217/files/dosimepove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5783/0298/files/25687616860.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_off0000636d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x636D | 5048 bytes |
SHA-256: 0da9b6472f8df79eec867eb5256478a08c104dc96927fc8c15c187e71166a94a |
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font_01_sfnt_off000074b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74B4 | 9980 bytes |
SHA-256: 9f37e3cac437550f29650f04dd0cfe8f0933683f4a133d86cbb1774c42b1a36b |
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