MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=valkyria+chronicles+report+5'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to trick users into visiting malicious infrastructure. The ML classifier strongly supports the malicious verdict.
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=valkyria+chronicles+report+5
- http://files.starkeyspoint.com/uploads/1/3/1/4/131452842/4318184.pdf
- http://files.redandgreenschool.org/uploads/1/3/1/3/131382406/tasixar_xuzisus_xoveju.pdf
- http://files.ikchew.com/uploads/1/3/0/7/130775848/dimuvatufi.pdf
- http://files.anxietytreatmentqueens.com/uploads/1/3/0/9/130969356/galimulunefudak.pdf
- http://janupoko.neighbourlinkck.com/uploads/1/3/0/7/130775727/xawugobam_koxokefofugidu_nivazibelutiwor.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/46693303277.pdf
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/ratevuwusugipisirip.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/1377016296.pdf
- https://cdn.shopify.com/s/files/1/0430/6403/3429/files/letter_from_birmingham_jail_spark_notes.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5275/files/wakujesitu.pdf
- https://cdn.shopify.com/s/files/1/0434/5351/3893/files/98842840827.pdf
- https://cdn.shopify.com/s/files/1/0433/7857/3464/files/ragoxegiliduvopuwotexami.pdf
- https://cdn.shopify.com/s/files/1/0439/7475/4462/files/former_australian_test_cricket_captains.pdf
- https://cdn.shopify.com/s/files/1/0434/2684/0738/files/c_truncate_string.pdf
- https://cdn.shopify.com/s/files/1/0432/9986/4734/files/72947295411.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_off00005b58.bin000cd91599286eb581ef27776cf6031393a2788423f4ffbf2017c96f653803d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B58 | 5276 bytes |
font_01_sfnt_off00006d47.bin7744afe96ba137d12a31cd52cb88013d534e7c4380f5129347e67664571e96ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D47 | 10324 bytes |
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