MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains text related to 'Cambridge fce test practice pdf', suggesting a lure to trick users into clicking the malicious links. The presence of numerous PDF links, many pointing to Shopify domains, indicates a link farm strategy to improve search engine ranking and 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.com/pify?keyword=cambridge+fce+test+practice+pdf
- http://files.powerhouseyouthcenters.com/uploads/1/3/1/4/131437194/484efd0.pdf
- http://files.fruitscompassion.com/uploads/1/3/0/7/130775978/2218745.pdf
- http://files.oztriathlete.com/uploads/1/3/0/8/130815381/0c13b35d3bbfa4.pdf
- http://files.allaurensamanthaforbes.com/uploads/1/3/0/7/130738725/momuposofojejo.pdf
- http://files.customcellardesign.com/uploads/1/3/1/1/131164308/goxevifawogiluz.pdf
- https://cdn.shopify.com/s/files/1/0429/5337/5897/files/xoxikanijepiludiliravudum.pdf
- https://cdn.shopify.com/s/files/1/0432/6939/0500/files/icecream_split_merge.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0490/files/pikekusulefozebeg.pdf
- https://cdn.shopify.com/s/files/1/0431/0509/1745/files/xiresorabuxetu.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/23536392952.pdf
- https://cdn.shopify.com/s/files/1/0437/4216/7194/files/93537152160.pdf
- https://cdn.shopify.com/s/files/1/0435/8235/7663/files/ecological_engineering_principles_and_practice.pdf
- https://cdn.shopify.com/s/files/1/0433/9875/8557/files/9982299781.pdf
- https://cdn.shopify.com/s/files/1/0429/9168/1699/files/fuzulivazagajel.pdf
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/epidemiologia_basica_bonita_espaol.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_off00006377.binc6649107287666fd0f20cfd20f3add5e801cb921a5c924be6c2249bb4aa47ad6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6377 | 5488 bytes |
font_01_sfnt_off00007602.binad1c5e40143faaf95d60bd9981b4f86a5a7e1af08a558ba0d624b51e90266615 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7602 | 10672 bytes |
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