Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eee7c7cf9e2537c…

MALICIOUS

PDF

43.4 KB Created: 2020-08-08 13:23:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8dc71cee165ecc2da0d16b5b77c2b71b SHA-1: f86b0678ca74db17b5f7aafd6ede8523c43d682b SHA-256: 1eee7c7cf9e2537ced2460f1932c28fb56539de480a9187669b4cb8e756aac98
168 Risk Score

Malware Insights

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

The PDF file contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The presence of a 'password-protected archive' lure suggests an attempt to bypass security controls. The document body, though heavily obfuscated, contains the malicious URL, indicating a social engineering attempt to trick users into visiting a potentially harmful site.

Heuristics 5

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=chava+kadambari+in+marathi+pdf+file
    • http://files.ailandel.com/uploads/1/3/1/6/131607010/xiwizof_panixixesuxefo_nukolatomevub.pdf
    • http://files.618rackrecruits.com/uploads/1/3/0/7/130739284/kulalimo.pdf
    • http://files.oneroomschoolhouses.ca/uploads/1/3/1/6/131606111/dutegiwuv.pdf
    • http://files.mobileperformancetherapy.com/uploads/1/3/1/3/131379181/981b00b9.pdf
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/how_to_clear_discord_dms.pdf
    • https://cdn.shopify.com/s/files/1/0431/8691/3431/files/substance_abuse_and_dependence.pdf
    • https://cdn.shopify.com/s/files/1/0432/3262/4797/files/area_of_shapes_test.pdf
    • https://cdn.shopify.com/s/files/1/0434/3876/8294/files/xozevikawipafaguwalow.pdf
    • https://cdn.shopify.com/s/files/1/0431/0581/2629/files/64032515942.pdf
    • https://cdn.shopify.com/s/files/1/0430/3981/7890/files/14290224426.pdf
    • https://cdn.shopify.com/s/files/1/0431/9690/7678/files/vuwogokefiwiwi.pdf
    • https://cdn.shopify.com/s/files/1/0435/4962/2431/files/migogudugemewiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/4651/0497/files/92240114506.pdf
    • https://cdn.shopify.com/s/files/1/0435/6312/2843/files/map_for_minecraft_pe_0._12._1.pdf
    • https://cdn.shopify.com/s/files/1/0439/1347/8312/files/fogavosamozuro.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_off00006a77.bin
e96023688f975e205d0514dc68433617e55e7bac620ab11305d51a54b0060d6c
pdf-font-stream PDF embedded font (sfnt) at offset 0x6A77 5272 bytes
font_01_sfnt_off00007c31.bin
d53b037e48a33b72d4d0f3d381c7ab511ee0f67261b5856128120a9c49d20faf
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C31 10776 bytes