MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and references to Microsoft, suggesting a potential lure. The primary attack pattern involves redirecting users to malicious sites.
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=microsoft+device+association+root+en
- http://files.covespeechtherapy.com/uploads/1/3/0/8/130814258/xapovalafozusuno.pdf
- http://dakixudem.mountainlightmusicfestival.com/uploads/1/3/0/7/130739640/5275f24a6e8.pdf
- http://wesozup.prakritidance.com/uploads/1/3/0/8/130873782/336e3cb02.pdf
- http://files.cityhoopsleague.com/uploads/1/3/0/7/130775653/mugazodadamiger.pdf
- http://rofivubul.thefellowshipsite.org/uploads/1/3/1/3/131398234/lumofebe_xakofubeles.pdf
- https://cdn.shopify.com/s/files/1/0433/5733/9813/files/pekipazubupuxevajijufafux.pdf
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/52239226871.pdf
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/reading_comprehension_exercises_with_answers_grade_1.pdf
- https://cdn.shopify.com/s/files/1/0433/6300/8664/files/20194938422.pdf
- https://cdn.shopify.com/s/files/1/0432/3383/7224/files/beneteau_first_36._7_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/9090/3193/files/gattaca_movie_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0436/0306/7044/files/88163439587.pdf
- https://cdn.shopify.com/s/files/1/0431/4864/0418/files/xexijagurevifi.pdf
- https://cdn.shopify.com/s/files/1/0433/9413/8277/files/somezagojofesolorapes.pdf
- https://cdn.shopify.com/s/files/1/0433/5468/5599/files/prelude_bwv_999_guitar.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059fa.bin879bfed1d4e62d617fa896669ea8cc73c919cebf9e289923c411452abd5949c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59FA | 5048 bytes |
font_01_sfnt_off00006b3e.bin6a5e06537ae4449d4117c11ecbc18db5ad6c61295c014459909a55740ac291c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B3E | 10460 bytes |
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