MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector service, which is a common tactic for distributing malware or leading users to phishing sites. The document body, though heavily obfuscated, contains text related to 'free download' and includes the malicious URL, suggesting a lure for users to click and download further content. The presence of numerous external links, many pointing to Shopify, further indicates a link farm designed to attract traffic.
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=cathode+ray+oscilloscope+pdf+free+download
- http://files.acweinschenk.net/uploads/1/3/0/7/130775108/zurelaxakikakuk.pdf
- http://redusoten.dignitywomenscenter.com/uploads/1/3/0/7/130739625/kinojewan_varijamenanikol.pdf
- http://files.achirohealth.com/uploads/1/3/1/1/131163540/kigavinezenefenolar.pdf
- http://files.crystelbeckerphoto.com/uploads/1/3/1/1/131164112/3cabe7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/8300/5093/files/91010930750.pdf
- https://cdn.shopify.com/s/files/1/0431/6489/3344/files/94939963197.pdf
- https://cdn.shopify.com/s/files/1/0429/1624/9767/files/dexuxo.pdf
- https://cdn.shopify.com/s/files/1/0434/8706/8322/files/84858028264.pdf
- https://cdn.shopify.com/s/files/1/0433/7513/2824/files/99554040700.pdf
- https://cdn.shopify.com/s/files/1/0431/9834/9471/files/vawimew.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8853/files/algorithm_design_kleinberg_solutions.pdf
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/82171466637.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4032/files/68948437347.pdf
- https://cdn.shopify.com/s/files/1/0434/4591/1709/files/76242693449.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/76048986811.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_off0000795f.bin9635d12a91b7bd5cad916817d5b1f8e4a53b403a40895108693d66ea10ce25d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x795F | 5344 bytes |
font_01_sfnt_off00008b9c.bin9013e46734d4ac8a31f0ec4ec5a7975ca939ae4d6db935bd59615770ecb485b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B9C | 10304 bytes |
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