Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2a13b5d80bc43e7…

MALICIOUS

PDF

71.4 KB Created: 2020-08-30 23:31:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69eba8d3eefcd185b69edafa3c053242 SHA-1: 4e3ad48dce5242c94e71d5f40a4dfb4dd3e7da34 SHA-256: f2a13b5d80bc43e79c19c67349439579336642bb0daa4160d4ea7028398061d9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, many pointing to Shopify domains, which is characteristic of a link farm. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. This suggests the document's primary purpose is to direct users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted from this sample.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Embedded URL info EMBEDDED_URL
    One 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/wix?keyword=creampie+de+corridas+internas
    • https://cdn.shopify.com/s/files/1/0436/3167/3504/files/61173344590.pdf
    • https://cdn.shopify.com/s/files/1/0438/0124/7906/files/pdf_annotation_surface_pro_3.pdf
    • https://cdn.shopify.com/s/files/1/0437/0402/5242/files/quick_time_events.pdf
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/2018_fantasy_football_cheat_sheet_cbs_sports.pdf
    • https://cdn.shopify.com/s/files/1/0431/6112/5013/files/antonyms_examples_list.pdf
    • https://cdn.shopify.com/s/files/1/0431/6522/1028/files/pibalisiboxobe.pdf
    • https://cdn.shopify.com/s/files/1/0433/9305/6933/files/lazarokonovivosezinex.pdf
    • https://cdn.shopify.com/s/files/1/0434/9450/6661/files/88108438025.pdf
    • https://cdn.shopify.com/s/files/1/0436/2108/9444/files/godziny_angielski_wiczenia_dla_dzieci.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59854739703.pdf
    • https://cdn.shopify.com/s/files/1/0431/8570/1019/files/stardew_valley_bundle_guide.pdf
    • https://cdn.shopify.com/s/files/1/0432/5048/3368/files/web_to_google_chrome_extension.pdf
    • https://cdn.shopify.com/s/files/1/0437/8407/7473/files/53282619527.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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ba5.bin
0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA5 6744 bytes
font_01_sfnt_off00007c5b.bin
c31ac86e86bdcbf7cc48c031a4de26dd03c130cc917dfae40e801bccce664c7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C5B 3260 bytes
font_02_sfnt_off000087bf.bin
408b3623e6fb9d8c6dfbff43c17e82a3becbf71bd03325f6555b4561f3a9d598		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87BF 5092 bytes
font_03_sfnt_off000098e4.bin
5fae3cff5588ae839a196fd2c37e159960d9a4465983845ae0c20b3f285ca690		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98E4 20156 bytes
font_04_sfnt_off0000cfcb.bin
f20df9756cc9a0f8ebd5d44b4acf316e2421cfcf8651addd917826eecfd71ed0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCFCB 12160 bytes
font_05_sfnt_off0000f69d.bin
2c3ae431943964cc1350d1e9c16d5850d7bfcf67d2567b890882c990e0aebeba		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF69D 16832 bytes

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