MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple links to a redirector service, which is a common tactic for phishing and malware distribution. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document attempts to trick the user into installing a browser extension or update, likely to compromise their system. The primary malicious URL identified is https://ttraff.cc/pify?keyword=google+chrome+for+android+dark+mode, which is used to redirect users to further malicious content.
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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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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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=google+chrome+for+android+dark+mode In PDF document text
- http://files.romancewaiheke.co.nz/uploads/1/3/1/4/131484133/4526697.pdfIn PDF document text
- http://files.ucbclaaofsd.org/uploads/1/3/1/3/131398515/cadc008d8af1.pdfIn PDF document text
- http://files.ballaghbotanicals.co.uk/uploads/1/3/1/4/131437601/70194d71.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/1/0439/1682/0635/files/47860634584.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6159/9656/files/dujimenamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4985/1811/files/jomejumuro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/776241757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4926/3004/files/toxis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1236/5211/files/92858626759.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0378/8960/files/96853841540.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0322/2944/files/mubaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2668/5850/files/65036758924.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1610/8701/files/ethiopian_grade_5_english_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1774/6070/files/university_risk_management_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3558/8770/files/blending_in_photoshop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5064/7204/files/65312511213.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_off0000664e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664E | 5352 bytes |
SHA-256: 5877b58e783b96d6a209ba901e703b30b46c2ccdf988c0ba2d3ec4b1a9d7a994 |
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font_01_sfnt_off0000785c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x785C | 10572 bytes |
SHA-256: f64d0b24e68b226df7d93a2a5a936e60e943704938ebab00d793127482ce6057 |
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