MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure. The embedded URL points to a redirector that likely leads to a malicious payload or phishing page. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure.
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/pify?keyword=ashokan+farewell+piano+sheet+music+pdf
- http://files.bethanylutheranrlf.com/uploads/1/3/1/3/131381819/sizumomonogup.pdf
- http://files.geostructuralengineering.com/uploads/1/3/1/3/131382387/2387774.pdf
- http://files.saphotoservices.com/uploads/1/3/0/7/130739204/wunejaw.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1114/4861/files/18065248363.pdf
- https://cdn.shopify.com/s/files/1/0433/3800/6686/files/75701063030.pdf
- https://cdn.shopify.com/s/files/1/0428/6450/9094/files/precalculus_mathematics_for_calculus_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/4686/9911/files/14931155704.pdf
- https://cdn.shopify.com/s/files/1/0432/4114/4483/files/57812217732.pdf
- https://cdn.shopify.com/s/files/1/0431/5483/3564/files/19943788136.pdf
- https://cdn.shopify.com/s/files/1/0438/2310/4162/files/49490448885.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdf
- https://cdn.shopify.com/s/files/1/0435/9448/1821/files/suxugepikixebopo.pdf
- https://cdn.shopify.com/s/files/1/0434/5783/9254/files/47399749211.pdf
- https://cdn.shopify.com/s/files/1/0427/5427/7532/files/a_linear_systems_primer_solution_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/8119/5927/files/save_linkedin_profile_as.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_off00004df5.bin157f03f49ab07a2730637c6f85bdf4d3fb800c4e70b1539d9938e78cf0d75ee0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DF5 | 5540 bytes |
font_01_sfnt_off000060b8.bincf15135118b22bdc077caa6e6092c8090915f806e96089db48f55717fe54b5ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60B8 | 15260 bytes |
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