MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The embedded URL https://ttraff.cc/pify?keyword=lynx+halloween+costume+fortnite is a primary indicator of malicious intent. The document body, though heavily obfuscated, contains references to this URL and other PDF files hosted on various domains, suggesting a coordinated effort to distribute malicious content or conduct phishing. The heuristic PDF_SEO_LINK_FARM further supports this by indicating a mass of external PDF links, likely for SEO manipulation or to host further malicious content.
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/pify?keyword=lynx+halloween+costume+fortnite In PDF document text
- http://files.toniabasihill.com/uploads/1/3/1/3/131379860/dcf8b9.pdfIn PDF document text
- http://fifane.magnoliaruneqcenter.com/uploads/1/3/1/4/131437736/7329273.pdfIn PDF document text
- http://files.soundescapemusictherapy.com.au/uploads/1/3/0/7/130775760/mefuzito_toxidi.pdfIn PDF document text
- http://zexinaka.gilphotography.com/uploads/1/3/0/8/130814328/71257.pdfIn PDF document text
- http://files.fulfordpharmacy.co.uk/uploads/1/3/2/8/132814343/9451370.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/1/0432/3645/8654/files/guwusaduwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3355/8168/files/kuzifosulemokorazomazixul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1297/9879/files/64466748506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0874/3835/files/cdc_vaccine_ingredient_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3976/0295/files/guruviko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8850/3203/files/78067894529.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6294/3144/files/xikexegawizapukojuxoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3813/8783/files/capital_cities_of_the_world_quiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3750/8252/files/zizuradovililasowagog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9726/8128/files/peliwesojibexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6990/5825/files/bengali_dictionary_java_app.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_off000055c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55C3 | 5324 bytes |
SHA-256: 17ef2d94f369419dd5e8e5b76e96134e2bcfff8772a3216ce2239ba287d2c66f |
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font_01_sfnt_off000067ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67CA | 10540 bytes |
SHA-256: b93400131e153413b3b75e30063eadad885f6d7315fc1a9bf40f985c5c522b27 |
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