MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though obfuscated, includes text related to 'aide memoire java pdf' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The presence of a link farm and a critical heuristic firing for malicious redirectors strongly indicates an attempt to lead the user to harmful 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.ru/wb?keyword=aide%20memoire%20java%20pdf
- http://files.kathleenrhee.com.au/uploads/1/3/1/4/131409574/sizuzerixo_sopazorasamu.pdf
- http://files.haciendasonoma.com/uploads/1/3/2/7/132740218/7130198.pdf
- http://files.nafsijewels.com/uploads/1/3/0/7/130775978/508b806bff.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/96824716149.pdf
- https://cdn.shopify.com/s/files/1/0451/0534/8761/files/bin_sachivalay_clerk_exam_paper_download.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5569/files/dosenumebirufodoropimiwe.pdf
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/63182029422.pdf
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/nadofosunijenegez.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2277/files/jobavifawo.pdf
- https://cdn.shopify.com/s/files/1/0436/5264/5017/files/basel_committee.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/sevidozesiz.pdf
- https://cdn.shopify.com/s/files/1/0430/3729/4745/files/pharynx_and_larynx_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0439/4637/7374/files/wosoz.pdf
- https://cdn.shopify.com/s/files/1/0432/1342/2753/files/zaxupolajuxaledudedobaf.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_off0000449a.bina55b8b358dabed40b6973198733f30d43349d2c0e2b5bff40cde899486c21931 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x449A | 5104 bytes |
font_01_sfnt_off000055e9.bin1e7318c2fd5072a1b1bf49f3523036b5e049f3cd3951b82e3e912ce476703bec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55E9 | 10064 bytes |
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