MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.club, which is likely intended to lead the user to a malicious site. The document body contains obfuscated text that includes the URL and a reference to 'Hf error 68', suggesting a lure to trick the user into clicking the link. The presence of numerous embedded links, many pointing to Shopify, indicates a link farm strategy, likely to obscure the malicious redirector.
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.club/pify?keyword=hf+error+68
- http://files.frhsmusical.com/uploads/1/3/2/6/132695416/240020.pdf
- http://kosuza.beadsbybrandy.com/uploads/1/3/0/9/130969772/ganobexejesagu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/bikizexenewu.pdf
- https://cdn.shopify.com/s/files/1/0458/6192/9113/files/1001987285.pdf
- https://cdn.shopify.com/s/files/1/0435/5650/3707/files/biochemistry_basics_pogil_extension_questions_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/4193/7818/files/16838568953.pdf
- https://cdn.shopify.com/s/files/1/0429/3489/4755/files/kitefefururomizekanawa.pdf
- https://cdn.shopify.com/s/files/1/0435/5971/4971/files/fufurolawan.pdf
- https://cdn.shopify.com/s/files/1/0430/8838/0061/files/jubaxovuxawijopamuro.pdf
- https://cdn.shopify.com/s/files/1/0432/8125/2512/files/juwulizuwixu.pdf
- https://cdn.shopify.com/s/files/1/0460/8848/7076/files/fopet.pdf
- https://cdn.shopify.com/s/files/1/0432/0316/6369/files/bulk_density_test.pdf
- https://cdn.shopify.com/s/files/1/0431/5349/0074/files/pazukuragunudebutov.pdf
- https://cdn.shopify.com/s/files/1/0431/8229/3141/files/aspects_score.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_off00005c65.bin95543768029d0d3480ae181a9736a8d65382ea4d9a916a9721886069aa13bd7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C65 | 4652 bytes |
font_01_sfnt_off00006c45.bin7219c3b3eedafaf597832dcb96663e2296342791e8d30b35f8fcb2fc9e09b5fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C45 | 10368 bytes |
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