MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link within its body text that, when clicked, redirects to a malicious URL. This link is presented as a download for 'Counter Strike 1.6', a common lure for malicious content. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, many hosted on Shopify. The ML classifier strongly indicated maliciousness.
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.com/pify?keyword=counter+strike+1.+6++free+online
- http://files.sarahfranconyc.com/uploads/1/3/0/8/130815014/mexumiwetiliz.pdf
- http://files.hammerheadfleet.com/uploads/1/3/1/4/131455680/4544729.pdf
- http://files.madbaglady.com/uploads/1/3/2/6/132695732/xuwaxat.pdf
- https://cdn.shopify.com/s/files/1/0433/8765/0211/files/wetuwuxisedawubadilarux.pdf
- https://cdn.shopify.com/s/files/1/0448/0620/9702/files/business_case_study_example.pdf
- https://cdn.shopify.com/s/files/1/0439/1128/2843/files/brihaspativar_vrat_katha_download.pdf
- https://cdn.shopify.com/s/files/1/0431/0758/2106/files/industrial_revolution_inventions_list.pdf
- https://cdn.shopify.com/s/files/1/0430/4365/1741/files/kronos_4500_time_clock_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/5511/9512/files/48648806105.pdf
- https://cdn.shopify.com/s/files/1/0430/6701/5329/files/take_me_away_a_secret_place_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0432/8646/2620/files/zuvupikadefogofibujat.pdf
- https://cdn.shopify.com/s/files/1/0434/3876/8294/files/jupuvedivubem.pdf
- https://cdn.shopify.com/s/files/1/0429/5937/2439/files/dojudatej.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a11.bind0a6bd507ba43e2c9e31daf0d03115432900743d0f97ba299693fce6f8a01d3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A11 | 4756 bytes |
font_01_sfnt_off00008a5b.bin1fd22ad6af09a893eea5e6a73c383ca01e1ea1d4c16c9b78a66ebcf6de991075 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A5B | 10764 bytes |
font_02_sfnt_off0000af58.bin10572f3a10760712fbb8352e098d229fd21f48763f52fb6fd9385479015ceb58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF58 | 16060 bytes |
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