MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though partially corrupted, includes text related to 'Ariane 501 failure report' and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. The presence of numerous external PDF links, many hosted on Shopify, indicates a potential link farm or distribution network.
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=ariane+501+failure+report
- http://files.tuftslaw.net/uploads/1/3/2/6/132683000/5255025.pdf
- http://xerarejo.internationalschoolhealth.org/uploads/1/3/1/4/131453197/vogilozomowomik-liwanidosadedal-zemidowa.pdf
- http://files.alphabetspeechtherapy.co.uk/uploads/1/3/0/8/130873951/wagevonokun.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8641/3985/files/regex_empty_line.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zavoriduxosijalas.pdf
- https://cdn.shopify.com/s/files/1/0443/8809/0022/files/gejujawemumebenin.pdf
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/lidimuto.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7312/files/bedford_reader_10th_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/14240290093.pdf
- https://cdn.shopify.com/s/files/1/0460/2216/4639/files/80042548259.pdf
- https://cdn.shopify.com/s/files/1/0427/8150/7740/files/paleronazezosozuvumikidu.pdf
- https://cdn.shopify.com/s/files/1/0435/8746/9469/files/kaporadijonala.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_off0000b1cc.bin8a48d2426431ed53bf045a7a7b0774774b6462b75c4f6d011a93eb24b930d15c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CC | 5024 bytes |
font_01_sfnt_off0000c2f7.bin07faac86543eea3e0ad26b22f93b07baf8a17542bce3b23d25114db96fef5b7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2F7 | 10076 bytes |
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