MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=cardiovascular+system+quiz+pdf'. The document body, though heavily obfuscated, appears to contain text related to a 'Cardiovascular system quiz pdf', suggesting a social engineering lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm used to distribute malicious content.
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=cardiovascular+system+quiz+pdf
- http://files.classylynnetravel.com/uploads/1/3/1/8/131857199/6913459.pdf
- http://files.iamlovedministry.com/uploads/1/3/1/8/131856288/mumono.pdf
- http://files.sarahdronfieldproofreader.com/uploads/1/3/0/9/130969179/4442322.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/27996162297.pdf
- https://cdn.shopify.com/s/files/1/0429/7628/0729/files/lofigoxipumomunule.pdf
- https://cdn.shopify.com/s/files/1/0432/9511/3374/files/negebamunopopeloxe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66456909559.pdf
- https://cdn.shopify.com/s/files/1/0435/2802/8312/files/44885119266.pdf
- https://cdn.shopify.com/s/files/1/0436/6965/1606/files/23376219485.pdf
- https://cdn.shopify.com/s/files/1/0427/8131/1132/files/nepexawebuzoxegonade.pdf
- https://cdn.shopify.com/s/files/1/0430/7035/7661/files/how_to_see_coordinates_in_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0430/8094/1729/files/morning_afternoon_evening_night.pdf
- https://cdn.shopify.com/s/files/1/0432/0677/0843/files/historical_dictionary_of_ancient_greek_philosophy.pdf
- https://cdn.shopify.com/s/files/1/0433/5150/7112/files/migidanovamu.pdf
- https://cdn.shopify.com/s/files/1/0431/6587/6378/files/plate_armor_of_etherealness.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b7fd.bin7e49d969bee1e2a1a0ecc1e962032b4a2d3c6cc409a62c8f0bec468c860c9490 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7FD | 5544 bytes |
font_01_sfnt_off0000cad9.bined649d6a670f2e5038a7bedeb859acab227b7be338e731230894603b2f35e37c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAD9 | 10288 bytes |
font_02_sfnt_off0000edfc.bin9e1271d681207e96fe60c94df920a27091a957dc81e2614e9e6235263a34fce6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFC | 16068 bytes |
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