MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files, a technique often used for SEO poisoning to drive traffic to malicious sites. One of the embedded URLs, https://ttraff.ru/pify?keyword=the+yellow+wallpaper+study+guide+questions, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to study guides and the tool used to generate the PDF, suggesting a lure to disguise the malicious intent. No scripts were extracted from this sample.
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=the+yellow+wallpaper+study+guide+questions
- http://files.ginjalionart.com/uploads/1/3/1/3/131379578/6556332.pdf
- http://letumer.digitalcoloratlas.com/uploads/1/3/1/0/131070786/gidewexovijen.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/12th_science_biology_book.pdf
- https://cdn.shopify.com/s/files/1/0436/5385/7433/files/tufizopepedu.pdf
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/9981744980.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/nocturne_celtic_woman_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0430/9912/7957/files/54990888727.pdf
- https://cdn.shopify.com/s/files/1/0433/6022/3397/files/64156431634.pdf
- https://cdn.shopify.com/s/files/1/0431/1030/1847/files/32051118435.pdf
- https://cdn.shopify.com/s/files/1/0434/7101/2006/files/accident_at_work_report_form_template.pdf
- https://cdn.shopify.com/s/files/1/0428/4760/0807/files/sunazikotegebezakikawol.pdf
- https://cdn.shopify.com/s/files/1/0435/7593/5134/files/social_security_disability_income_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0437/5235/8049/files/minecraft_pe_0._12._1_mods.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_off00006b75.bin3bb8aac14c1f73179ec4f5d2c51fc3275ef95443542301b7d71495c3a0d09505 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B75 | 5488 bytes |
font_01_sfnt_off00007e2c.bin845483bb601e240521c44ae54e88a5f6debfa0b1f39f26c8b47aacce0595ded8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E2C | 10168 bytes |
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