MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to benign Shopify URLs and one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a thesis and the malicious URL, suggesting a lure to trick users into clicking the link. The SE_INVOICE_LURE heuristic further supports the idea of a deceptive document. The primary attack pattern involves redirecting the user to malicious infrastructure via a deceptive link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/wb?keyword=online%20restaurant%20reservation%20system%20thesis%20documentation%20pdf In PDF document text
- http://xudogavi.thebodytech.net/uploads/1/3/1/4/131455069/boxaxe.pdfIn PDF document text
- http://files.whiteroseartstudio.com/uploads/1/3/0/7/130739039/7713686.pdfIn PDF document text
- http://files.beneshieldfinancial.com/uploads/1/3/2/6/132681836/ecf8c.pdfIn PDF document text
- http://files.barnbrave.com/uploads/1/3/2/7/132740260/mabemi_goworimokapago_bivoz.pdfIn PDF document text
- http://files.nicaraguaforchrist.com/uploads/1/3/0/8/130874246/jimusefufigupub.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/1/0437/8319/2727/files/pekova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9090/1144/files/luzak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5180/9959/files/wuvoponarepetom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8378/3575/files/5199049695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1969/7310/files/94539417112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5362/2182/files/46970468176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3537/3213/files/garment_manufacturing_technology_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9943/7721/files/delete_branch_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5721/6678/files/everstart_battery_charger_owner_s_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/gutepijodosiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8270/3257/files/lifebon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/82205744224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3015/0300/files/nios_assignment_front_page_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/22975786667.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0956/4064/files/git_delete_commit.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_off00007aff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AFF | 5584 bytes |
SHA-256: 9089230fab27df9bcf475a6feaca5221fdbe42a51528fd2dc23a6f6db86af62b |
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font_01_sfnt_off00008dde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DDE | 10616 bytes |
SHA-256: 1ec0e3c541b6bdf42c157babee997d75b950fae534cf7114a248592910027e75 |
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