MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=certificate+background+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The document body, though heavily obfuscated, contains embedded URLs and suggests a social engineering lure to install a browser extension or viewer. This combination indicates a likely phishing or malware delivery attempt.
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.com/pify?keyword=certificate+background+pdf In PDF document text
- http://ratolos.simplybprints.com/uploads/1/3/1/3/131379312/selenop-piriv.pdfIn PDF document text
- http://files.morganlawpllc.com/uploads/1/3/0/7/130739802/suwojukiludinon.pdfIn PDF document text
- http://files.leescrossroadmbc.com/uploads/1/3/1/3/131383760/padikitegova.pdfIn PDF document text
- http://files.alzheimersocclub.com/uploads/1/3/1/3/131379253/nedafekokedut.pdfIn PDF document text
- http://files.breastlearningonline.com/uploads/1/3/1/0/131070560/3c345064edea.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/1/0427/9438/5575/files/rolowupaver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3417/1813/files/33683138456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6546/files/block_adobe_activation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0305/9110/files/kigefiko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8024/5657/files/xamunosanelog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8557/6857/files/before_you_were_born_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/rapobujumikebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2657/0664/files/pretty_ugly_poem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/famagijasunidekoruxufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1311/1961/files/pafoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0767/9397/files/rukuvirogomedesoko.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_off00005189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5189 | 5224 bytes |
SHA-256: 0ee0d84cf0dd1dc15f09868f6165f88b331eb8c30de790ebb1b7b735f21e6a49 |
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font_01_sfnt_off00006357.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6357 | 9876 bytes |
SHA-256: 47c11632e914fdbcd688b11e77cd7fea8f955fcf69a89c153ac49975ee5e3efb |
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