Malware Insights
The PDF file was identified as malicious due to its extensive use of embedded links, a technique often employed in SEO poisoning or link farm schemes. One critical heuristic flagged a link to a known malicious redirector at 'https://ttraff.ru/wix?keyword=the+arms+race+jigsaw+graphic+organizer+answers'. Another heuristic indicated a large number of external PDF links, with the first identified as 'https://cdn.shopify.com/s/files/1/0438/8657/5771/files/nemuvosesubomevutalaked.pdf'. The document body contains garbled text and the embedded URLs, suggesting the primary purpose is to host these links.
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/wix?keyword=the+arms+race+jigsaw+graphic+organizer+answers
- https://cdn.shopify.com/s/files/1/0438/8657/5771/files/nemuvosesubomevutalaked.pdf
- https://cdn.shopify.com/s/files/1/0434/6930/8061/files/agama_islam_kelas_10.pdf
- https://cdn.shopify.com/s/files/1/0466/7142/9797/files/63281307537.pdf
- https://cdn.shopify.com/s/files/1/0432/9360/6048/files/clash_royale_gems_no_survey.pdf
- https://static.usrfiles.com/ugd/b8c837_97715f0395ef4dd58396046bfa7ab6f4.pdf
- https://static.usrfiles.com/ugd/b8c837_c2073b104cc74ced9fdaba9c8dc72939.pdf
- https://static.usrfiles.com/ugd/b8c837_0ccab0dcb39c422a93d46f27745498c3.pdf
- https://static.usrfiles.com/ugd/b8c837_6422be812c0c43898afed07fbb5b8c8e.pdf
- https://static.usrfiles.com/ugd/b8c837_9aa06bbc0fc2415db93f5d392d6eafc3.pdf
- https://static.usrfiles.com/ugd/c0b427_460ebcac168d466e8ce1cc9e5250bbeb.pdf
- https://static.usrfiles.com/ugd/5926b4_594efe4ca7794d968551cf301288f76c.pdf
- https://static.usrfiles.com/ugd/b8c837_6bec7bd20ef2441ba72da88219e6da27.pdf
- https://static.usrfiles.com/ugd/b8c837_dd683b0eeb184becba5b53404da3e5b5.pdf
- https://static.usrfiles.com/ugd/e745be_22600463be2a40fc98537ddf576eb974.pdf
- https://static.usrfiles.com/ugd/b8c837_da61417200a94ceba3db15df1b75b394.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_off000078be.bin63a510320a9a53278e1c7ba1219c18441733a7c813e41b36b64c20954ec1b96d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78BE | 5192 bytes |
font_01_sfnt_off00008a50.bineb0779cad416b8ed54c6b34ad04dc3c1eb910e44b33b83116d52a20695e015f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A50 | 10580 bytes |
font_02_sfnt_off0000ae8d.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE8D | 4324 bytes |
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