Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5e05639276bccdf…

MALICIOUS

PDF

42.4 KB Created: 2020-08-29 17:07:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 80adb0c7577c7e00b7ea44118047f60b SHA-1: a32d4a7252b98ad88cde1587c0b2ac7b72b46d7c SHA-256: b5e05639276bccdf411cb038bb3455a3e5e085423216653eb68bec06bce8154a
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to a 'Glacier Bay water dispenser manual' and embeds a link that redirects to a known malicious URL (ttraff.cc). This suggests a phishing or social engineering attack aimed at redirecting users to malicious content. The PDF also contains a large number of external links, many hosted on Shopify, which is characteristic of SEO link farms used to distribute malicious content.

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.cc/wix?keyword=glacier+bay+water+dispenser+manual
    • https://cdn.shopify.com/s/files/1/0463/4932/0349/files/16451029357.pdf
    • https://cdn.shopify.com/s/files/1/0433/1234/9334/files/9710943384.pdf
    • https://cdn.shopify.com/s/files/1/0432/3871/9648/files/miporomenanisufo.pdf
    • https://cdn.shopify.com/s/files/1/0433/9931/5610/files/5e_bladesinger_scag.pdf
    • https://cdn.shopify.com/s/files/1/0437/3220/5722/files/lijuzinavikaresixomi.pdf
    • https://static.usrfiles.com/ugd/166c09_da11ef4af00d4d809a205bf9a61116e4.pdf
    • https://cdn.shopify.com/s/files/1/0435/0512/3493/files/workaudiobook_apk_crack.pdf
    • https://cdn.shopify.com/s/files/1/0447/2622/3001/files/hotstar_movies_software.pdf
    • https://cdn.shopify.com/s/files/1/0429/6713/8470/files/organic_chemistry_bsc_1st_year_book.pdf
    • https://cdn.shopify.com/s/files/1/0436/1404/4323/files/mendelian_genetic_disorders.pdf
    • https://cdn.shopify.com/s/files/1/0440/5762/4726/files/adding_apostrophes_to_possessive_nouns_worksheets.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_off000067bd.bin
3922b18f9f519c87319642ea069234ac6533a42d53a796a29edc8bdd6f75452b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67BD 5584 bytes
font_01_sfnt_off00007ab8.bin
614c113678a570451cad85c4cdc2168339cf390da5648369d50964dc6dc24f5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AB8 9980 bytes

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