MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'jumbled sentences for class 10 with answers' and a URL that appears to be part of a link farm designed to attract search engine traffic. The primary attack vector is likely social engineering, directing users to malicious infrastructure via the embedded links.
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=jumbled+sentences+for+class+10+with+answers
- http://budew.shop-blace.com/uploads/1/3/1/3/131379179/f6b622d93.pdf
- http://nadijup.aztrinitymusicacademy.com/uploads/1/3/0/7/130775455/c35d3.pdf
- http://files.skylinehoney.com/uploads/1/3/1/0/131070508/viwetu_sujubiso_riwen_jinanasuz.pdf
- http://mired.pickphysics.com/uploads/1/3/0/7/130775027/rikagajonedew_wuberifekez_lejimikepusep_durab.pdf
- https://cdn.shopify.com/s/files/1/0440/8714/8709/files/54080333487.pdf
- https://cdn.shopify.com/s/files/1/0430/3742/5818/files/73920158538.pdf
- https://cdn.shopify.com/s/files/1/0428/5687/4151/files/80958550322.pdf
- https://cdn.shopify.com/s/files/1/0432/2613/6743/files/the_witch_on_dvd.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/marifurozijuzaledenikegi.pdf
- https://cdn.shopify.com/s/files/1/0431/5280/1943/files/91610085653.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90840236881.pdf
- https://cdn.shopify.com/s/files/1/0460/6951/4404/files/sexefolejulopazugol.pdf
- https://cdn.shopify.com/s/files/1/0428/6034/7551/files/dysfunctional_attitude_scale.pdf
- https://cdn.shopify.com/s/files/1/0430/0124/9955/files/boberafulufiwonijanebup.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_off00005a3f.bin4d1afa0ebfeb4a0d7ceade6a5981f39d537dd14813633f7069538ceaa7d61f10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A3F | 5676 bytes |
font_01_sfnt_off00006d72.binca659201b00420ed5fa4622eb5981067f528ebdf82b999c51e969076fc358875 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D72 | 10020 bytes |
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