Malicious PDF — malware analysis report

Static analysis result for SHA-256 355b09b59e28a5d2…

MALICIOUS

PDF

103.3 KB Created: 2020-09-07 02:43:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8829418860d8bc3459ff75c7a8822a43 SHA-1: 27843f03ae886fb0ad9b5fb2bf43deef5aa3a45e SHA-256: 355b09b59e28a5d2900bb127402ab705af8de2e1e4e4c510b526dae79019543d
160 Risk Score

Malware Insights

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

The PDF file contains a lure related to the 'Chilling Adventures of Sabrina' and includes a link that redirects to a malicious site. This is further supported by heuristics indicating a malicious redirector and an advance-fee scam lure. The embedded link 'https://ttraff.club/wix?keyword=chilling+adventures+of+sabrina+episode+guide+wikipedia' is the primary indicator of the malicious intent, likely leading to a phishing or scam page.

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.club/wix?keyword=chilling+adventures+of+sabrina+episode+guide+wikipedia
    • https://cdn.shopify.com/s/files/1/0460/1371/0503/files/xadovosig.pdf
    • https://cdn.shopify.com/s/files/1/0435/4696/8215/files/zoforapesow.pdf
    • https://cdn.shopify.com/s/files/1/0432/6490/1270/files/va_tech_cover_letter.pdf
    • https://cdn.shopify.com/s/files/1/0434/4142/2492/files/reliance_car_insurance_policy.pdf
    • https://cdn.shopify.com/s/files/1/0432/1184/9890/files/poborujeraxipebuditije.pdf
    • https://cdn.shopify.com/s/files/1/0460/3310/9156/files/hrs_atrial_fibrillation_ablation_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0435/8995/9839/files/veronaripiratibipivuj.pdf
    • https://cdn.shopify.com/s/files/1/0434/2772/5474/files/ridupatojemorukidezo.pdf
    • https://cdn.shopify.com/s/files/1/0465/0663/9512/files/48722449886.pdf
    • https://static.usrfiles.com/ugd/74a852_8d93054fc2cf4e4d9c9f164695fcd29f.pdf
    • https://static.usrfiles.com/ugd/a9248e_345d5aea95e4488f9f944a1351da25f4.pdf
    • https://static.usrfiles.com/ugd/8b61cf_74cc7ccc6bed46d4846b59a922060129.pdf
    • https://static.usrfiles.com/ugd/ab922d_88077f33f8954516a39f337a66e3b617.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_off00014bdb.bin
40ae8ab132ccd81e3f25f97e2e42f02de2cdc446198332f4300f43f18c66cff8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14BDB 5564 bytes
font_01_sfnt_off00015ed1.bin
3f3a7db31b801a5277ad73b6c068689071d78739e28a9cfd3f9af1cd96bbfed1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15ED1 15684 bytes

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