Malware Insights
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO abuse tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is further obfuscated by a keyword parameter. The presence of a 'download button' heuristic reinforces the idea that the document is designed to trick the user into clicking a link. No scripts were extracted, and the document body is heavily obfuscated, but the primary attack vector appears to be a malicious redirector disguised as a download lure.
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.cc/pify?keyword=jasper+reports+maven+plugin
- http://kurulana.chokeyuanteng.com/uploads/1/3/1/3/131383314/4771776.pdf
- http://files.mortgagenoteinvesting.info/uploads/1/3/0/9/130969001/jenuridusupug.pdf
- http://files.myfutra.com/uploads/1/3/1/3/131384018/netax.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/adding_mixed_numbers_word_problems.pdf
- https://cdn.shopify.com/s/files/1/0431/2465/4241/files/17724791963.pdf
- https://cdn.shopify.com/s/files/1/0433/5471/8358/files/vurafuzeferuxemejusuvew.pdf
- https://cdn.shopify.com/s/files/1/0438/3067/3565/files/48440296067.pdf
- https://cdn.shopify.com/s/files/1/0434/0177/3212/files/5067449194.pdf
- https://cdn.shopify.com/s/files/1/0431/2478/5319/files/83918326968.pdf
- https://cdn.shopify.com/s/files/1/0432/2839/7728/files/consumer_reports_best_convertible_car_seats_2018.pdf
- https://cdn.shopify.com/s/files/1/0434/0046/2501/files/2269251775.pdf
- https://cdn.shopify.com/s/files/1/0430/3890/0373/files/78778608911.pdf
- https://cdn.shopify.com/s/files/1/0431/5466/9729/files/52053676686.pdf
- https://cdn.shopify.com/s/files/1/0429/1375/9395/files/4370719436.pdf
- https://cdn.shopify.com/s/files/1/0431/9825/1165/files/11722114664.pdf
- https://cdn.shopify.com/s/files/1/0440/0565/4678/files/vixegerupowimelux.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_off000098b6.binf2f42d714d204d3c5615ef4068c18d1c57aea49aaabaf8ad2052d7e47f9dfc34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B6 | 5188 bytes |
font_01_sfnt_off0000aa53.binfbc6378c9fa46a305590240b5b78fc9d79bd08b4f8ee154da4315b74e8650054 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA53 | 16256 bytes |
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