Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb028643bb64d319…

MALICIOUS

PDF

325.7 KB Created: 2020-08-24 01:27:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62295526573312b88aa11cc331b315ea SHA-1: ab1fc7247c89d37b0d8a3b6def327cd874f12947 SHA-256: fb028643bb64d319359d4b00fea155c8fc80b342f3f9d553ae57ea8d715ed92e
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=janssen+pharmaceuticals+inc+annual+report'. This URL is associated with advance-fee scams and callback phishing lures, as indicated by other heuristic firings. The document body, though heavily obfuscated, also contains the same URL, reinforcing its malicious intent. The file was generated by wkhtmltopdf, a tool often used to create PDF documents from web content, which can be leveraged for malicious purposes.

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.
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/pify?keyword=janssen+pharmaceuticals+inc+annual+report
    • http://files.susan-mcmahan.com/uploads/1/3/0/9/130969580/c4d958c9a960.pdf
    • http://files.traceymackay.com/uploads/1/3/0/7/130740625/mepirujixubokejil.pdf
    • http://files.diagnosticequipmentstore.com/uploads/1/3/0/7/130739993/rafivijofakad-juruxabida-wusivupetu-wolewubafosav.pdf
    • http://kojusoj.teamblendedbeauties.com/uploads/1/3/0/9/130969265/panor.pdf
    • https://cdn.shopify.com/s/files/1/0429/1421/8151/files/dirisaletubog.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jikas.pdf
    • https://cdn.shopify.com/s/files/1/0440/7685/9544/files/domain_and_range_worksheet_7_answer_key.pdf
    • https://cdn.shopify.com/s/files/1/0463/2798/8385/files/bluestacks_pubg_mobile_apk.pdf
    • https://cdn.shopify.com/s/files/1/0463/7337/2059/files/bafg_antrag_formblatt_1_zeile_75.pdf
    • https://cdn.shopify.com/s/files/1/0433/7205/2643/files/convert_to_word_file_using_python.pdf
    • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/taylor_series_expansions.pdf
    • https://cdn.shopify.com/s/files/1/0432/2181/1364/files/wotur.pdf
    • https://cdn.shopify.com/s/files/1/0440/8170/9206/files/75573771483.pdf
    • https://cdn.shopify.com/s/files/1/0434/2035/2677/files/17914886891.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_off0004c425.bin
83ebcc285863a2a940d7b9d151bcea93689b2fc03640df4a30743b4f994965e7
pdf-font-stream PDF embedded font (sfnt) at offset 0x4C425 5164 bytes
font_01_sfnt_off0004d57e.bin
ce9471f58456e3907590ccea8dd08cf1e73a011e24f18ade066297ca898d0404
pdf-font-stream PDF embedded font (sfnt) at offset 0x4D57E 16804 bytes