MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to `ttraff.ru`, identified as a malicious redirector. This suggests the document is part of a link farm designed to obscure the ultimate destination, likely a phishing site or malware download server. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/wb?keyword=partituras%20cristianas%20para%20bajo%20pdf
- http://files.bikeacces.com/uploads/1/3/1/4/131453005/luxijovewi.pdf
- http://fatikaj.diamondlodge83.com/uploads/1/3/0/9/130969742/2381517.pdf
- http://files.thewindisfree.co.uk/uploads/1/3/1/4/131453114/5356475.pdf
- https://cdn.shopify.com/s/files/1/0430/9696/5269/files/bsc_physics_2nd_semester_question_papers.pdf
- https://cdn.shopify.com/s/files/1/0433/2004/9822/files/31206706439.pdf
- https://cdn.shopify.com/s/files/1/0436/5916/5849/files/logo_quiz_8_level_1_answers.pdf
- https://cdn.shopify.com/s/files/1/0435/9494/0575/files/mesema.pdf
- https://cdn.shopify.com/s/files/1/0431/5149/1233/files/15756135830.pdf
- https://cdn.shopify.com/s/files/1/0431/0702/5056/files/vawasoxogul.pdf
- https://cdn.shopify.com/s/files/1/0433/3800/6686/files/48688341246.pdf
- https://cdn.shopify.com/s/files/1/0429/2621/1238/files/descriptive_adjectives_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/0467/3699/files/55247651746.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/jemamatojevogafuxujetu.pdf
- https://cdn.shopify.com/s/files/1/0432/0008/6180/files/28368793322.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/56553305325.pdf
- https://cdn.shopify.com/s/files/1/0431/8114/6280/files/pigamerekaziluvalemulugog.pdf
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/xolejudezijugusakerefe.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d8b.bina7f19eb1d738996fdd959af0852214247a96415314ecc779323e34ebdf12dc0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8B | 5332 bytes |
font_01_sfnt_off00006fad.binb9c20fc7fa87e7ef9001114e71566e6e48bfaf2451c17f896a290af1e89957aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FAD | 10528 bytes |
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