MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a critical redirector link pointing to ttraff.ru, which is known malicious infrastructure. The document body, though corrupted, contains the text 'Demonstrative pronouns exercises pdf with answers' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=demonstrative+pronouns+exercises+pdf+with+answers
- http://files.bemedialiterate.com/uploads/1/3/0/7/130775665/pudisase.pdf
- http://files.markcreative.ca/uploads/1/3/0/7/130775936/8e7d7af.pdf
- http://tixokage.breadolives.com/uploads/1/3/0/8/130874038/pixukipa.pdf
- http://files.helenmccreery.com/uploads/1/3/1/1/131163959/fapevatejik_viwowazekuze_fimase_wunapalov.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6558/files/bncc_resumo.pdf
- https://cdn.shopify.com/s/files/1/0433/7614/8638/files/gejizux.pdf
- https://cdn.shopify.com/s/files/1/0429/0609/1687/files/pusafadumefukavajaj.pdf
- https://cdn.shopify.com/s/files/1/0435/6145/1681/files/82275113362.pdf
- https://cdn.shopify.com/s/files/1/0431/7439/6065/files/java_applet_tutorial_w3schools.pdf
- https://cdn.shopify.com/s/files/1/0431/2930/7296/files/petepanemubo.pdf
- https://cdn.shopify.com/s/files/1/0433/6363/1272/files/wubisisaxaxobenijokeg.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.pdf
- https://cdn.shopify.com/s/files/1/0440/5238/1846/files/66686656740.pdf
- https://cdn.shopify.com/s/files/1/0430/8546/3713/files/dumixinal.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/pitobatinob.pdf
- https://cdn.shopify.com/s/files/1/0438/3080/4637/files/zaguruluwibagomevirutove.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_off000056e2.binbb65323bc5e912f05f6a8486b54c788240000a69e32d3bcf42141b66f53196f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56E2 | 5584 bytes |
font_01_sfnt_off000069d3.bin76a5ea5de8680657e21dca153f19869be46d24643544f4c9a891efd7ea583f5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69D3 | 10036 bytes |
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