MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Link
The PDF contains a high-severity heuristic firing for a browser extension installation lure, indicating a social engineering attempt to trick the user into installing malicious software. It also contains a critical heuristic for a malicious redirector link pointing to 'ttraff.com', which likely serves as a landing page for the malicious download. The document body, though heavily obfuscated, contains references to the redirector URL and numerous other PDF links, many hosted on Shopify, suggesting a link farm designed to distribute the lure.
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.com/pify?keyword=java+121+32+bit In PDF document text
- http://regur.evmpforum.com/uploads/1/3/0/8/130873822/sijadalupiset.pdfIn PDF document text
- http://lufironel.theyellowvanfurnitureco.com/uploads/1/3/1/8/131856998/309063af6b.pdfIn PDF document text
- http://renumozu.sherrildouglas.com/uploads/1/3/1/4/131438464/punirubejal_detemotugezo.pdfIn PDF document text
- http://files.hamilocoast-picodeloro.com/uploads/1/3/2/7/132740270/semawesebuvidu.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/1/0434/0934/2621/files/41014039948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/6654/8373/files/kepefevoferubopopeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6510/5814/files/tarrega_carnival_of_venice.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7929/5385/files/critical_appreciation_of_ulysses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2830/6330/files/61350010004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0017/4504/files/aha_cholesterol_treatment_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98012128422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1596/9688/files/gaxegizelurilotoneze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5656/9249/files/65938652716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6467/1906/files/barnett_vortex_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8375/1831/files/ncert_science_class_6.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_off00006cf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CF8 | 4912 bytes |
SHA-256: e2b40a98a0f2dbfb20b2fb89963c6ce62219f6ce5d669d9420c15a9ae0328509 |
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font_01_sfnt_off00007dcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DCD | 10192 bytes |
SHA-256: 6ea6b5ff4b910d9255484608324dac5eb320fa82242bc8257c3a7628196c3849 |
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