MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a link farm designed to redirect users to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The primary redirector URL is https://ttraff.cc/pify?keyword=adaptive+design+methods+in+clinical+trials+pdf, which likely leads to a further malicious payload or phishing page. 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.cc/pify?keyword=adaptive+design+methods+in+clinical+trials+pdf
- http://files.kevinconlonart.com/uploads/1/3/1/3/131379904/baxinip-wafinenetogaze-bufadexunotuwik-mifiw.pdf
- http://files.nicolechinuntdet.com/uploads/1/3/0/7/130775825/xosekeludo.pdf
- http://files.thewallssager.com/uploads/1/3/0/7/130775846/zofudaxeluzun-vogake.pdf
- http://files.cherrycitycloggers.com/uploads/1/3/0/7/130775373/ruxetabavob.pdf
- http://files.comalcountybar.com/uploads/1/3/1/4/131453022/nidelisu-xanin-bidoxalib.pdf
- https://cdn.shopify.com/s/files/1/0437/3594/1274/files/70645466262.pdf
- https://cdn.shopify.com/s/files/1/0435/2681/5903/files/72536839065.pdf
- https://cdn.shopify.com/s/files/1/0430/4509/3530/files/86779060257.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lalosukiwafigoledexefes.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/xokilogoledijazurum.pdf
- https://cdn.shopify.com/s/files/1/0427/5719/3895/files/55869813648.pdf
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/43148063432.pdf
- https://cdn.shopify.com/s/files/1/0439/3123/8568/files/laxobipuleseweduwosik.pdf
- https://cdn.shopify.com/s/files/1/0433/7382/2102/files/lawiladekodokijituzegojo.pdf
- https://cdn.shopify.com/s/files/1/0427/4916/5734/files/sotusigogovabolipasip.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_off00008977.bine0af703588a1d47bcdf523b02a9248abdfe1775fcce9caad0060846da5f724a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8977 | 5408 bytes |
font_01_sfnt_off00009bb1.bin9befd5e85fccd3b1129c50cfbd8f54fb4b2d3199366a2cd5d32697b695389349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BB1 | 10352 bytes |
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