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 known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. The presence of a large number of external PDF links suggests a link farm or SEO abuse tactic, likely to obscure the true malicious destination.
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=formal+acceptance+certificate
- http://kufevemag.levihanes.com/uploads/1/3/1/8/131856666/pexixowamazolo-wibukileziz.pdf
- http://borumap.viana-motion.com/uploads/1/3/2/6/132683138/livupurikub.pdf
- http://kasoxifom.minnesota42.com/uploads/1/3/1/1/131164456/zuzutiko-domuseser-jizomamozibowes-rasikojofidowi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/9376/2975/files/drugged_high_on_alcohol_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/6939/0500/files/frederic_delavier.pdf
- https://cdn.shopify.com/s/files/1/0462/5763/5479/files/pajuvemu.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3074/files/vuvexu.pdf
- https://cdn.shopify.com/s/files/1/0433/9620/2652/files/taresade.pdf
- https://cdn.shopify.com/s/files/1/0437/4636/1505/files/lenapa.pdf
- https://cdn.shopify.com/s/files/1/0432/3069/1485/files/vujulipitux.pdf
- https://cdn.shopify.com/s/files/1/0437/6759/5165/files/applied_maths_3_kumbhojkar.pdf
- https://cdn.shopify.com/s/files/1/0431/4805/0583/files/bowapavabemifagabo.pdf
- https://cdn.shopify.com/s/files/1/0433/2411/3049/files/hyphenated_words_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0434/8113/7316/files/fujorifamokizosonurukoti.pdf
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/pajetijuduladid.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_off000061eb.bin20ce0673bd4814ff76cf28bc57a590ac8ae91d66bd4f7fd31c16ce6a5afcbc47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61EB | 4936 bytes |
font_01_sfnt_off000072a3.bin6c6001f9f81058ba51f1e6ffad377cf904cf169680c06eff2a890bac566b4628 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A3 | 10428 bytes |
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