MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body text, though partially corrupted, includes the phrase 'Embryology pdf notes' and a URL that appears to be the primary lure. The PDF also exhibits characteristics of a link farm, with many Shopify-hosted PDF links, suggesting an attempt to manipulate search engine results or distribute content broadly. The primary malicious IOC is the redirector URL.
Heuristics 3
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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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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=embryology+pdf+notes
- http://files.thegutguys.com/uploads/1/3/1/3/131380754/lenun_vefozuvetuw.pdf
- http://getasel.officesonthego.com/uploads/1/3/0/7/130775350/xubajubabikis-kujur-wukusotovivezor.pdf
- http://files.northeastohiodukes.com/uploads/1/3/0/8/130874278/watuzife_wajemikanolibo_masipe_kuwemisamaxulam.pdf
- http://files.erinhinerart.com/uploads/1/3/2/7/132740595/timuregazonumexo.pdf
- https://cdn.shopify.com/s/files/1/0429/0514/1411/files/likafisivunekuramaniluwi.pdf
- https://cdn.shopify.com/s/files/1/0435/3510/6207/files/pefowagibap.pdf
- https://cdn.shopify.com/s/files/1/0430/7861/5189/files/vebakowibefos.pdf
- https://cdn.shopify.com/s/files/1/0428/9308/2783/files/zerigobopokivuzaj.pdf
- https://cdn.shopify.com/s/files/1/0440/1076/6486/files/bioremediation_of_soil_through_multipurpose_tree_species.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1097/files/converter_software_free_download_pdf_to_word.pdf
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/92299784323.pdf
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/daguxatetizejufitupuf.pdf
- https://cdn.shopify.com/s/files/1/0430/3133/0969/files/mudepad.pdf
- https://cdn.shopify.com/s/files/1/0433/9816/8727/files/haematology_textbook.pdf
- https://cdn.shopify.com/s/files/1/0433/1972/2152/files/john_deere_x530_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/9375/2997/files/news_reporting_and_writing_missouri_group.pdf
- https://cdn.shopify.com/s/files/1/0430/5112/2842/files/xirijidesepugeku.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_off00006568.bin78c44c561cfd2cd90d3f9a17673985441e09c8189fdfa2cf78a79fe53c62ea40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6568 | 5352 bytes |
font_01_sfnt_off0000778a.bineeed974490aac85ea4437d3f177850bc9d695b74274bc4c656536fa2c5703bca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x778A | 9004 bytes |
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