MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the same malicious URL and references 'cefsharp not working', suggesting a lure to a fake technical support page. The presence of a link farm heuristic further indicates an attempt to distribute malicious content.
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=cefsharp++not+working
- http://xirumen.ladderrus.com/uploads/1/3/1/4/131453133/senijoduw.pdf
- http://files.lisbonlighttours.com/uploads/1/3/1/6/131636762/e7c8270e51a07f.pdf
- http://bokem.growing4hisglory.com/uploads/1/3/0/9/130969352/firedop-nojisimi-najoturakema-zizanimabof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/7737/6936/files/bruchgleichung_aufgaben.pdf
- https://cdn.shopify.com/s/files/1/0431/0315/8433/files/52962989986.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/figarawevig.pdf
- https://cdn.shopify.com/s/files/1/0439/1341/2760/files/54504370912.pdf
- https://cdn.shopify.com/s/files/1/0430/6819/4965/files/27599049487.pdf
- https://cdn.shopify.com/s/files/1/0435/4765/6351/files/lapoguburajoxavag.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/75728011586.pdf
- https://cdn.shopify.com/s/files/1/0433/2938/8699/files/19637932738.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_off000061d7.bin12bc4ebfaabc70d556c78e79ec473a94061f8f00510c77ad51d04a2761e2e696 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61D7 | 5192 bytes |
font_01_sfnt_off00007395.bin7797a2bd89e5173e6b0ef96e02a6f4aaf4d9754488bb7e2793a038e2880eeae2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7395 | 10424 bytes |
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