MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic firing indicating it's a malicious redirector. The document body, though partially corrupted, suggests a lure related to an 'irony worksheet' which redirects to the malicious URL https://ttraff.com/wb?keyword=verbal%20irony%20worksheet%20pdf. The presence of a link farm heuristic further supports the malicious intent of distributing links to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.com/wb?keyword=verbal%20irony%20worksheet%20pdf In PDF document text
- http://files.vibrationsforlife.com/uploads/1/3/1/3/131379371/powagojowa.pdfIn PDF document text
- http://files.soulfulnesstherapies.co.uk/uploads/1/3/0/8/130814535/4145075.pdfIn PDF document text
- http://files.quantumpoint.org/uploads/1/3/0/8/130874031/fexurugomaseba_livorejalolokib_kuluvewowa.pdfIn PDF document text
- http://files.bethelpenclawdd.com/uploads/1/3/2/6/132683069/b230a64bb7eb.pdfIn PDF document text
- http://files.rebeccaseaberry.com/uploads/1/3/1/4/131408241/petikeb-zifilig.pdfIn PDF document text
- http://files.downtheroadwellness.com/uploads/1/3/1/6/131606155/dufesulobomuke.pdfIn PDF document text
- http://files.yashbangera.com/uploads/1/3/0/7/130738625/83486b04a35.pdfIn PDF document text
- http://files.hopskipserve.com/uploads/1/3/0/9/130969298/dipejizuboja_raxijuditu_vafabazimeni_teduloxuguguzu.pdfIn PDF document text
- http://files.busybeeorganize.ca/uploads/1/3/0/9/130969004/gojebifazalomo-maxurapokenoxo.pdfIn PDF document text
- http://files.hallielee.com/uploads/1/3/2/8/132815961/5788720.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xededad.files.wordpress.com/2020/06/14416926991.pdfIn PDF document text
- https://samutalitu118446218.files.wordpress.com/2020/07/84934913919.pdfIn PDF document text
- https://vusipubaze.files.wordpress.com/2020/06/62965798229.pdfIn PDF document text
- https://lolanif.files.wordpress.com/2020/06/40594100480.pdfIn PDF document text
- https://numewim.files.wordpress.com/2020/06/76869682205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49893706483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61086590007.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jenodilibaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80E0 | 5280 bytes |
SHA-256: 2b9832479bcf77812ba296a63c077b5cc11f9f20a3404cf321386f6ff221bf89 |
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font_01_sfnt_off000092d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92D4 | 10192 bytes |
SHA-256: f51b99c7b5bdb8078c65e745fb26dfd403810e5f051b1208dd8a4b83c3c2b288 |
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