MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
T1071.001 Web Protocols
This PDF file contains multiple embedded links, with a primary redirector identified as 'ttraff.ru'. The document impersonates Amazon and uses a 'free download' lure, indicating a credential phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious, and heuristics confirm it links to known malicious redirector infrastructure.
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.ru/pify?keyword=intermediate+accounting+17th+edition+pdf.
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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=intermediate+accounting+17th+edition+pdf In PDF document text
- http://files.washington-scottish.com/uploads/1/3/0/8/130874318/8b0f395751b7b3.pdfIn PDF document text
- http://files.hollinsworthproductions.com/uploads/1/3/1/4/131407818/zosuwinubulolivoma.pdfIn PDF document text
- http://files.neuro-flowgroup.com/uploads/1/3/2/6/132682585/241341.pdfIn PDF document text
- http://files.transgresspress.org/uploads/1/3/1/1/131164538/985117.pdfIn PDF document text
- http://files.stignatiushicksville.org/uploads/1/3/2/6/132696414/kufuwenokux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/6662/9032/files/35768675370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9078/8000/files/17360044683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xoperesotojazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/80284973416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0764/7639/files/48250405010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/wutegazadujewuzegevituwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0718/0954/files/wukuxuwatalomekaseluvupez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4038/1855/files/lepitewimirajoteju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/59577082877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/depuwi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000627b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x627B | 5312 bytes |
SHA-256: e9d64e52ca11ea42cb98bfd33bca9ed208d8953e0b4972e49b109d6be215f64c |
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font_01_sfnt_off0000745d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x745D | 10144 bytes |
SHA-256: 6c99078d7a45caf110817383b3c44629c7311b87d138cb600dd4a4b77a7bbccc |
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font_02_sfnt_off000096f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96F2 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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