Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8e0c9f24da8cb4d…

MALICIOUS

PDF

358.1 KB Created: 2020-08-07 06:13:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3a1b7689af0801363fb22c4ae8b5f5ef SHA-1: e0ceea66a7af0c2b305db89366f8819200ca6395 SHA-256: e8e0c9f24da8cb4dd1f43327ed79f086830376594bee96f2fee10d5a6f85c205
116 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector link, an urgency lure, a fake invoice/payment lure, and an advance-fee scam lure. The embedded URL https://ttraff.com/pify?keyword=crpc+bare+act+pdf+pakistan is identified as a malicious redirector. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. The combination of these factors strongly suggests a phishing or scam attempt designed to redirect the user to a malicious 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.
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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/pify?keyword=crpc+bare+act+pdf+pakistan
    • http://files.leighbivens.com/uploads/1/3/2/6/132682787/lagebutoluwimu_dekawamej.pdf
    • http://files.jesstopia.org/uploads/1/3/0/7/130776602/8239021.pdf
    • http://files.forestlanebotanicals.com/uploads/1/3/0/7/130775129/giwenuw.pdf
    • https://cdn.shopify.com/s/files/1/0437/7142/9015/files/bsc_nursing_syllabus_2nd_year.pdf
    • https://cdn.shopify.com/s/files/1/0429/8443/9971/files/mysql_crash_course.pdf
    • https://cdn.shopify.com/s/files/1/0431/0168/3865/files/87845628137.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2661/files/makalah_tentang_filariasis.pdf
    • https://cdn.shopify.com/s/files/1/0431/4074/3329/files/les_cellules_souches_adultes.pdf
    • https://cdn.shopify.com/s/files/1/0428/1224/4134/files/wirexaj.pdf
    • https://cdn.shopify.com/s/files/1/0430/1104/7575/files/27951189986.pdf
    • https://cdn.shopify.com/s/files/1/0430/7940/1623/files/11013399080.pdf
    • https://cdn.shopify.com/s/files/1/0430/3365/7507/files/xesavex.pdf
    • https://cdn.shopify.com/s/files/1/0433/7863/8999/files/nawobibugosuripuwenaviw.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_off000550f8.bin
64f5739c50feb96c93ba9968b0b080305b8b71b3058e4f1d8f60b1ecff5425ba
pdf-font-stream PDF embedded font (sfnt) at offset 0x550F8 5228 bytes
font_01_sfnt_off000562c5.bin
1c0e509503c2b7a2c3dd4d3c808e58634358f18bf0c3af5f8a3a92ec758e2083
pdf-font-stream PDF embedded font (sfnt) at offset 0x562C5 11264 bytes