MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector infrastructure associated with SEO link farms and phishing lures. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content is designed to trick users into installing browser extensions or updates, a common tactic for credential theft or malware delivery. The primary malicious URL identified is https://ttraff.ru/pify?keyword=black+star+meaning.
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=black+star+meaning In PDF document text
- http://files.blwcenter.org/uploads/1/3/1/0/131070561/d954507.pdfIn PDF document text
- http://files.mountainwesttlod.org/uploads/1/3/1/6/131606631/kerusi.pdfIn PDF document text
- http://files.perthpropertyimprover.com.au/uploads/1/3/0/7/130739027/rumowoj.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/1/0435/6984/0283/files/7017803660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/59451900106.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/wulejetato.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9901/2763/files/84788187220.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/61428746635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9950/3257/files/jafugaxilaviwikuzisinik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5235/8049/files/liloxasojemovomupopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2358/0839/files/lamefipeguzejides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/60690722351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3859/6511/files/roserivan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8015/4269/files/digurinejiwebowoduwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3096/2588/files/popimibasosazuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0501/7255/files/git_download_remote_branch.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011d32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D32 | 5232 bytes |
SHA-256: 947c2bef0fa2213cf6340aeb91c6bbe6b2d474cd881c85bd241345a92947b517 |
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font_01_sfnt_off00012eed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EED | 10716 bytes |
SHA-256: 787acaa5d38a03196b562e0c0f1c2e0ce2cbaf8e9ae4565b94f730dda3c0ddc2 |
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font_02_sfnt_off000153bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153BD | 16092 bytes |
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
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