MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on cdn.shopify.com, likely for SEO poisoning. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/wb?keyword=12th%20quarterly%20exam%20answer%20key%202019%20pdf'. The presence of a visual download button lure further supports the malicious intent of directing users to potentially harmful content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=12th%20quarterly%20exam%20answer%20key%202019%20pdf
- http://files.montessorianakku.com/uploads/1/3/1/4/131483209/5075239.pdf
- http://sofozebol.anneduffforeducation.com/uploads/1/3/1/0/131070493/wavepimakoxida_bevofinu_gadulegujab.pdf
- http://devojan.segolilyschool.org/uploads/1/3/1/4/131407068/dde2ec0891.pdf
- http://files.christopherfoxallphotography.com/uploads/1/3/2/6/132682040/4811752.pdf
- http://files.jmurowing.com/uploads/1/3/2/3/132302716/8085882.pdf
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/98062427829.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zozaweguxilamefawe.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/blood_hunter_orders.pdf
- https://cdn.shopify.com/s/files/1/0449/8564/7272/files/agricultural_science_grade_12_study_guide_download.pdf
- https://cdn.shopify.com/s/files/1/0446/5931/0745/files/alliteration_and_assonance_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0435/4814/7867/files/mutip.pdf
- https://cdn.shopify.com/s/files/1/0428/8089/3084/files/70226755914.pdf
- https://cdn.shopify.com/s/files/1/0432/7954/8580/files/4567790877.pdf
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/rixoduxepoxiletonunod.pdf
- https://cdn.shopify.com/s/files/1/0432/9517/8902/files/zomuzegupexavowak.pdf
- https://cdn.shopify.com/s/files/1/0451/3182/5317/files/dfinition_algorithme_informatique.pdf
- https://cdn.shopify.com/s/files/1/0432/5788/8932/files/nibotavunij.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7064/files/1231228453.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_off000057ea.bin30411c7b1ca3e38b25f253ada7a2ccfb4b890a9eaad91e1b3458abeb8bbc704b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57EA | 6120 bytes |
font_01_sfnt_off00006cad.binf1a727d5e1411a02b4562dc3ee39efdf6bd01ee5e1d44772a45e5580d729e4e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CAD | 10220 bytes |
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