MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'banking awareness'. The presence of a link farm and the ML classifier's high confidence score further support malicious intent.
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=banking+awareness+pdf+august+2020
- http://koguzef.mmc4u.com/uploads/1/3/0/7/130775320/xofit-lisizevuk-bodiwimo-nofev.pdf
- http://files.youngatartmn.com/uploads/1/3/0/8/130814774/a23c201fbc03.pdf
- http://vanibazew.iditarod100.org/uploads/1/3/1/8/131871921/wezuwujolunoro.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/xizok.pdf
- https://cdn.shopify.com/s/files/1/0432/5454/6590/files/comment_apprendre_le_chinois.pdf
- https://cdn.shopify.com/s/files/1/0437/0300/9434/files/social_and_personality_development_david_r_shaffer.pdf
- https://cdn.shopify.com/s/files/1/0433/3889/1419/files/24309093230.pdf
- https://cdn.shopify.com/s/files/1/0433/0065/1158/files/bafg_hessen_formblatt_3.pdf
- https://cdn.shopify.com/s/files/1/0435/8340/6239/files/clinical_pharmacy_therapeutics.pdf
- https://cdn.shopify.com/s/files/1/0440/2741/2645/files/absceso_periapical_y_periodontal.pdf
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/buwazufaxef.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/pdf_file_to_word_doc_converter.pdf
- https://cdn.shopify.com/s/files/1/0439/5175/1336/files/21412757662.pdf
- https://cdn.shopify.com/s/files/1/0429/0471/5427/files/55466751904.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/32881671379.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_off0000a28d.bind5fc9ac2064543628494194e416a78f070881140b14ba4a677bfbb9cb54d59f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA28D | 5656 bytes |
font_01_sfnt_off0000b5e9.bin95e4cc22181c1a7f6fcc48fbca3f88947f8bcec56daa83a7af172282de3e243e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5E9 | 10712 bytes |
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