Malware Insights
The PDF file contains numerous embedded links, with a critical heuristic identifying it as a link farm pointing to potentially malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=biomes+reading+comprehension+worksheets, which is likely used to redirect users to further malicious content. The document body, though heavily obfuscated, contains references to the topic of 'biomes reading comprehension worksheets' and the malicious URL, suggesting a lure to disguise the malicious intent. The file was authored using wkhtmltopdf, a tool sometimes used to generate malicious PDFs.
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=biomes+reading+comprehension+worksheets
- http://rozofu.katekinsey.com/uploads/1/3/1/6/131606289/1cc7c9daa0.pdf
- http://files.brianasamuelson.com/uploads/1/3/0/8/130814101/3677b01.pdf
- http://vaseleb.bhawkeyephotography.com/uploads/1/3/0/8/130814328/levus_ritukovidu.pdf
- https://cdn.shopify.com/s/files/1/0431/7508/4193/files/brown_dust_ogdoad_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/2504/6431/files/path_dependence.pdf
- https://cdn.shopify.com/s/files/1/0437/0595/8565/files/65024546778.pdf
- https://cdn.shopify.com/s/files/1/0430/5007/4269/files/free_fax_cover_sheet.pdf
- https://cdn.shopify.com/s/files/1/0440/7810/4728/files/macmillan_mathematics_3a_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/6382/6840/files/javascript_tutorial_javatpoint.pdf
- https://cdn.shopify.com/s/files/1/0429/6825/2565/files/55954198130.pdf
- https://cdn.shopify.com/s/files/1/0431/8347/2802/files/rupakuzabavozopewuminir.pdf
- https://cdn.shopify.com/s/files/1/0433/6127/1959/files/30963310048.pdf
- https://cdn.shopify.com/s/files/1/0437/8450/3453/files/bet_adsorption_isotherm.pdf
- https://cdn.shopify.com/s/files/1/0430/2422/0321/files/virujosivupekejoxakitalin.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/vosikapozutofaxej.pdf
- https://cdn.shopify.com/s/files/1/0432/7538/7043/files/vopogixi.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_off00005223.bin1a9920032994c43fda98d4700a6e5601786fc927f17403caaf199cbaeb025b62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5223 | 5660 bytes |
font_01_sfnt_off00006544.bincf0655b6f17d1a56c825b27c383181e967893c8d770eaa86bd914c1a5d002669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6544 | 10200 bytes |
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