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, many of which point to domains associated with link farms and redirectors, such as ttraff.com. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=macmillan+grammar+worksheets+pdf', indicating an attempt to direct users to potentially malicious content. The ML classifier 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.com/pify?keyword=macmillan+grammar+worksheets+pdf
- http://files.redmountaincommunity.com/uploads/1/3/0/7/130775784/sefenefamon_mapabuxodaja.pdf
- http://files.palmspringsappliancerepairpro.com/uploads/1/3/0/7/130775232/93c26684.pdf
- http://loxuro.blueridgeapiaries.com/uploads/1/3/1/8/131857101/rubajif.pdf
- https://cdn.shopify.com/s/files/1/0434/4774/6721/files/87466292481.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/mededuvujosozazuxi.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9171/files/monteith_s_crushed_apple_cider_nutritional_information.pdf
- https://cdn.shopify.com/s/files/1/0432/2269/6096/files/98693892540.pdf
- https://cdn.shopify.com/s/files/1/0435/9087/7339/files/76822073900.pdf
- https://cdn.shopify.com/s/files/1/0435/9664/4511/files/48954572594.pdf
- https://cdn.shopify.com/s/files/1/0428/5097/5910/files/clinical_research_associate_resume.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/bafuwujofalufarogevomadib.pdf
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/83647574440.pdf
- https://cdn.shopify.com/s/files/1/0434/5646/3014/files/pdf_to_word_converter_download_software_free.pdf
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/gadonuzapemazubun.pdf
- https://cdn.shopify.com/s/files/1/0435/4395/3563/files/relitixudapunuliginuvero.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_off00005532.bin56ed1449ccbd55cb3fcfc33a53e58aaa856c971fc0448bff96a3e26b6ac5681d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5532 | 5728 bytes |
font_01_sfnt_off0000689f.bin40e6308d073b236492fe3d0c61ee33f69a1e7ecd7859803603e19a607f35fa99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x689F | 10600 bytes |
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