MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=accu+chek+performa'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=accu+chek+performa
- http://files.soulbeing.net/uploads/1/3/0/9/130969573/devaxabiw.pdf
- http://jotunewi.stteachinguk.com/uploads/1/3/2/8/132816202/88ef01d58.pdf
- http://wugami.richmondeducationfoundation.com/uploads/1/3/1/4/131482933/pakamibumifo.pdf
- http://galidam.keramaris.gr/uploads/1/3/1/4/131408738/puwidetulug_zuzozumen_kutaxafunup_jasekenununide.pdf
- https://cdn.shopify.com/s/files/1/0428/1643/8438/files/edital_policia_rodoviria_federal_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/9892/2403/files/17317350051.pdf
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/pdf_unlock_file_open.pdf
- https://cdn.shopify.com/s/files/1/0435/3123/9588/files/soxuvuxosakaruseso.pdf
- https://cdn.shopify.com/s/files/1/0433/4786/9850/files/59765158536.pdf
- https://cdn.shopify.com/s/files/1/0429/8299/8170/files/che_guevara_history_in_english.pdf
- https://cdn.shopify.com/s/files/1/0431/8406/2622/files/islamic_dream_dictionary_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/1021/9422/files/wimazufipeturopanetifuz.pdf
- https://cdn.shopify.com/s/files/1/0436/4242/1398/files/xosevesivepelasow.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_off00005e0c.bin3603fa34fe530df5338b6cc6ef09c4a86fdd67202d3095f9401e236fb203d8b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E0C | 5100 bytes |
font_01_sfnt_off00006f41.bin11f0587f6afbd6683fe3685572c13bab24834f86fdcfe13c87d73393ed27d0af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F41 | 10944 bytes |
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