MALICIOUS
154
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 external PDF files hosted on various domains, suggesting a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=monarch+butterfly+life+cycle+lesson+plan'. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the same URL and other PDF links, reinforcing the lure and redirection strategy.
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=monarch+butterfly+life+cycle+lesson+plan
- http://files.johnirwinsonlinebusiness.com/uploads/1/3/0/8/130814980/3392290.pdf
- http://loveta.chemicgear.com/uploads/1/3/0/8/130874254/zomuwuroli-geluvibefesig-sumapurivuzubad-rojajep.pdf
- http://files.startsmarthayscaldwell.org/uploads/1/3/0/9/130969061/jaxifa.pdf
- http://files.trinitydentalcentre.ca/uploads/1/3/0/8/130874160/ravoxefesonof.pdf
- https://cdn.shopify.com/s/files/1/0432/4704/2715/files/o_mosteiro_agustina_bessa_luis.pdf
- https://cdn.shopify.com/s/files/1/0433/7470/6853/files/sejetaduzizuzuso.pdf
- https://cdn.shopify.com/s/files/1/0438/2621/7120/files/f2p_pking_osrs.pdf
- https://cdn.shopify.com/s/files/1/0437/8722/3198/files/73537416946.pdf
- https://cdn.shopify.com/s/files/1/0437/4105/3080/files/riwegajopugixi.pdf
- https://cdn.shopify.com/s/files/1/0449/2810/6651/files/genki_second_edition_workbook_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0428/7175/0823/files/19460129985.pdf
- https://cdn.shopify.com/s/files/1/0428/9685/1111/files/pimumizozibo.pdf
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/50917522554.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_off000066ab.bin06a55c1b355ced29c4453339d7fffc7d2b3442f55466b3d24d695b4d35abf65e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AB | 5352 bytes |
font_01_sfnt_off000078e1.bin62d63564ab192e4d2c1910d54d53d71a575f9e12d0b68c3a970d0a87baa5cb94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78E1 | 10292 bytes |
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