MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious File
The PDF contains a heuristic firing for a malicious redirector link, directing users to a URL associated with malicious activity. It also contains a heuristic for a browser extension installation lure, indicating a social engineering attempt. The document body, though heavily obfuscated, contains a URL that matches the redirector link. The presence of numerous external links, many hosted on Shopify, suggests a link farm used for SEO poisoning to attract victims.
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.ru/pify?keyword=android+emulator+for+mac+2018 In PDF document text
- http://files.camelliateabar.com/uploads/1/3/2/6/132681901/wemifulekeluw.pdfIn PDF document text
- http://files.cejcontractoraccountants.com/uploads/1/3/2/6/132695568/xebuzolirokarobibaju.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/1/0434/2949/4936/files/72826620541.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1592/7965/files/22918645222.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6489/2323/files/tableau_des_accords_guitare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0609/7570/files/nonobasixegiruxedeloxeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/1210/1020/files/building_construction_illustrated_4th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2656/2722/files/medical_surgical_nursing_ignatavicius_7th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4512/1182/files/construction_quality_assurance_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3241/0272/files/office_365_status.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6821/9799/files/alicia_keys_new_york_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3150/8645/files/josupigofexonej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9124/7779/files/pilot_operated_relief_valve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1007/6321/files/altruism_research.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_off000070d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D1 | 5496 bytes |
SHA-256: 0dca4ef14ebbb85999bb51936e2c373e84ffc5765abc03a417e8e1a2031d9d3c |
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font_01_sfnt_off00008369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8369 | 10196 bytes |
SHA-256: 01508fa203d4faa2a1a3eb25cde09c2b24230719f27c3e382f2cec7def2b80ca |
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