Malicious PDF — malware analysis report

Static analysis result for SHA-256 b87e930542aa5283…

MALICIOUS

PDF

123.5 KB Created: 2020-08-05 00:24:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e2f2067de349b96aed5940654dcfdab SHA-1: 8102a21eee4591d8de74452f111a26ec96255609 SHA-256: b87e930542aa528310e79e467883af0c930e5a0d11b78f8ac03caf34e61d45f3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.ru. Additionally, it exhibits characteristics of an advance-fee scam lure, suggesting the document's content is designed to deceive the user. The embedded URL is likely intended to lead the user to a malicious site, potentially for further exploitation or credential harvesting.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=budget+2020+full+speech+pdf
    • http://files.maarshainc.com/uploads/1/3/2/6/132695828/7474819.pdf
    • http://files.jenndowd.com/uploads/1/3/0/8/130874030/datalixutapaji.pdf
    • http://files.matthiashungerbuehler.com/uploads/1/3/2/6/132680986/2f7540fec6.pdf
    • https://cdn.shopify.com/s/files/1/0436/1116/0738/files/difarebiv.pdf
    • https://cdn.shopify.com/s/files/1/0429/5547/3059/files/reguxenixamujataxoge.pdf
    • https://cdn.shopify.com/s/files/1/0432/2285/9944/files/48092931397.pdf
    • https://cdn.shopify.com/s/files/1/0437/1746/0120/files/54500825025.pdf
    • https://cdn.shopify.com/s/files/1/0430/9018/2304/files/20207852133.pdf
    • https://cdn.shopify.com/s/files/1/0438/4745/0789/files/what_does_crack_smell_like.pdf
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/lemopipax.pdf
    • https://cdn.shopify.com/s/files/1/0431/2596/4966/files/10131082307.pdf
    • https://cdn.shopify.com/s/files/1/0432/9180/3801/files/application_virtualization_in_cloud_computing.pdf
    • https://cdn.shopify.com/s/files/1/0429/1395/6007/files/jineworomikuwaseduxemob.pdf
    • https://cdn.shopify.com/s/files/1/0432/7473/1685/files/adobe_file_structure.pdf
    • https://cdn.shopify.com/s/files/1/0433/5144/1563/files/60891462178.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_off00015b32.bin
4103f12eb2d3fd5ce81f4dfd6de156bb127b7b020113f77f3e4d9c5a57060399		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15B32 6416 bytes
font_01_sfnt_off00016afd.bin
f25163b6bbc4ff030290d05ae73a34a44469f9afd684ce7d9f65f49e74cd4fb3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16AFD 5436 bytes
font_02_sfnt_off00017d91.bin
6b65240a0488ef72b972557ffe27906d0b8ea99db3e2011e4ac2afc3c97aeac3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17D91 10800 bytes
font_03_sfnt_off00019974.bin
b9b49a3c453c53986d7a61d4291ac5a87065d82ff96be43ef0dca6427e6dc540		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19974 3772 bytes
font_04_sfnt_off0001a518.bin
f07c270872149851989df62dad560f1c48ef33eea046e8e84321dfa039073375		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A518 10608 bytes
font_05_sfnt_off0001c961.bin
fc043be00f13786b07ab07ee4171d208a3bdd2dccba9920ad3a3b40e3bf0a04d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C961 6164 bytes

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