MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document also features a large number of external links, many pointing to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic to increase visibility. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=briggs+and+straton+boat+motor
- http://files.srhair619.com/uploads/1/3/1/1/131164157/e5227ce4.pdf
- http://files.ecrcme.com/uploads/1/3/1/3/131380889/95b954b848c1ad.pdf
- http://files.zionhillbrookshire.org/uploads/1/3/1/0/131069863/4bc942856a33f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6408/2073/files/33845826884.pdf
- https://cdn.shopify.com/s/files/1/0433/1415/1589/files/finite_mathematics_and_calculus_with_applications.pdf
- https://cdn.shopify.com/s/files/1/0438/6763/5867/files/19252884553.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nulexukiwogefera.pdf
- https://cdn.shopify.com/s/files/1/0440/8573/9685/files/docker_pdf_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/6014/9910/files/xutijimimutozevoma.pdf
- https://cdn.shopify.com/s/files/1/0433/2932/3158/files/desus.pdf
- https://cdn.shopify.com/s/files/1/0432/6536/0034/files/sun_vat_40_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/2175/3758/files/xixesukagixawufitet.pdf
- https://cdn.shopify.com/s/files/1/0433/7447/7473/files/68127048250.pdf
- https://cdn.shopify.com/s/files/1/0427/9776/0668/files/43817405714.pdf
- https://cdn.shopify.com/s/files/1/0437/1028/3931/files/fogorore.pdf
- https://cdn.shopify.com/s/files/1/0432/9740/7126/files/jozitusabewibo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f6b.binddfe00eb4566376d2e38db24bf7075383fe10842f0dcf03a91408bbbed372957 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F6B | 5300 bytes |
font_01_sfnt_off0000815a.bin50361c9f48b508d87109cdb8d404095447b1b03215b5129be7637f6ae49625aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x815A | 10364 bytes |
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