Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cd155d20ee7f5d1…

MALICIOUS

PDF

39.3 KB Created: 2020-08-20 12:14:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6645e6c6540cad095bf9f25fed1157d1 SHA-1: e8401c1efba318889a9d016485aaf10ce83234d4 SHA-256: 3cd155d20ee7f5d18a31145c7a7ea45e5400884e0fae4ac433a5ecc01d1cf772
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially garbled, contains text related to 'Android emulator windows 7' and a URL that points to a redirector. This suggests a phishing or scam attempt where the user is enticed to click the link under the guise of finding software, leading them to malicious infrastructure.

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.ru/pify?keyword=android+emulator+windows+7
    • http://sorosuru.colortrendzsalon.com/uploads/1/3/2/6/132681670/fuzokewutuju_sanikog_kivujagitazek.pdf
    • https://cdn.shopify.com/s/files/1/0461/9013/3406/files/template_letter_of_intent_business_partnership.pdf
    • https://cdn.shopify.com/s/files/1/0433/4908/2264/files/kujuwatakokidobipigewokup.pdf
    • https://cdn.shopify.com/s/files/1/0434/3149/3784/files/muridutadolesa.pdf
    • https://cdn.shopify.com/s/files/1/0434/4964/7261/files/17144008042.pdf
    • https://cdn.shopify.com/s/files/1/0434/7976/1061/files/spiderwick_chronicles_movie.pdf
    • https://cdn.shopify.com/s/files/1/0427/9438/5575/files/gamatip.pdf
    • https://cdn.shopify.com/s/files/1/0431/9205/8005/files/black_s_law_dictionary_2020.pdf
    • https://cdn.shopify.com/s/files/1/0430/0737/7567/files/linumejabiziwuvesalef.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.

FilenameKindSourceSize
font_00_sfnt_off00005ce7.bin
d75648b201fb833c02ee813a2e85e79c71638b58c89b82fd19d8285c9b716d65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CE7 5132 bytes
font_01_sfnt_off00006e53.bin
101c58154b75ac745cfee5485d62ee061882f0f3179735ea25eafa923571e608		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E53 10148 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.