Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ed8dafc78d97e7…

MALICIOUS

PDF

112.4 KB Created: 2020-07-10 01:00:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 846bb4b0164514913e06da73ac17f91c SHA-1: 2e118d94ca112c1d139a8b1ddda67cde3228edfd SHA-256: 22ed8dafc78d97e73b284625377939e5a02d700b66c0c69727e6b3a214f34b59
188 Risk Score

Malware Insights

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

The PDF contains a lure for 'industrial training report format pdf' and includes a malicious redirector link to traff.com. It also features a large number of external PDF links, suggesting a link farm for SEO poisoning or traffic redirection. The document body also contains a direct request for recovery secrets, indicating a potential credential harvesting attempt.

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.
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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.com/wb?keyword=industrial%20training%20report%20format%20pdf
    • http://files.kawsaycenterperu.org/uploads/1/3/2/6/132696263/tijaze_pigoviseji.pdf
    • http://files.freshfieldglobalservices.net/uploads/1/3/1/6/131606069/1382265.pdf
    • http://files.trebor-ts.com/uploads/1/3/1/8/131871690/4fa93.pdf
    • http://files.returntokaya.com/uploads/1/3/1/4/131438891/rojeboko.pdf
    • http://files.threeaineconsultancy.com/uploads/1/3/1/0/131070125/587526f65.pdf
    • http://files.neenahpowerlifting.com/uploads/1/3/2/6/132695516/luvesarumif.pdf
    • http://files.artandsoulcraftgallery.com/uploads/1/3/2/6/132695467/ccd9b58.pdf
    • http://files.vespatechrobotics.com/uploads/1/3/1/3/131383398/e1dc0922610.pdf
    • http://files.dofuspourlesnoobs.com/uploads/1/3/1/4/131437880/zosamivomerasazunor.pdf
    • https://xetatewaf14883148.files.wordpress.com/2020/07/99634684567.pdf
    • https://kunemepor.files.wordpress.com/2020/06/81186493143.pdf
    • https://jezadifup.files.wordpress.com/2020/06/39035414872.pdf
    • https://sixupijemiw.files.wordpress.com/2020/06/vugatebifemaro.pdf
    • https://mebanome.files.wordpress.com/2020/06/87991118261.pdf
    • https://luxuvolug.files.wordpress.com/2020/07/45176110794.pdf
    • https://takirosikut.files.wordpress.com/2020/07/21388228283.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50537202024.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tipibag.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_off0001766e.bin
92d3d32206c2940dc0cd492e3cd313c338d7d219f76657d8bc9e38137b475004
pdf-font-stream PDF embedded font (sfnt) at offset 0x1766E 5180 bytes
font_01_sfnt_off000187ef.bin
c4507b97564166264e2f77f6b3ce8347b85ac3bcc9d1fd4e12063f50eab6f873
pdf-font-stream PDF embedded font (sfnt) at offset 0x187EF 14060 bytes