Malicious PDF — malware analysis report

Static analysis result for SHA-256 377d6c2ef3928445…

MALICIOUS

PDF

103.2 KB Created: 2020-08-08 08:44:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4fe3f33053670ca87f01c88105f39719 SHA-1: b405fdb1a01ebe7aba2541bfe3ec2459cefee8d2 SHA-256: 377d6c2ef3928445bffed5b6d3e6742c1c060a15302314b64d2e6ff550c39f62
160 Risk Score

Malware Insights

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

The PDF contains a lure related to 'The Count of Monte Cristo short story pdf' which is designed to trick users into clicking a link. The embedded link redirects to a known malicious infrastructure, indicating a phishing or scam attempt. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' further supports this, suggesting the document is part of an advance-fee fraud scheme.

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.cc/pify?keyword=the+count+of+monte+cristo+short+story+pdf
    • http://files.westerncanineacademy.ca/uploads/1/3/1/3/131383664/lobop.pdf
    • http://files.appmarc.com/uploads/1/3/0/7/130776374/nalomapije-gekididor.pdf
    • http://files.oklahomaliteracy.org/uploads/1/3/1/3/131398019/xinafugepav-zutadefopivemi.pdf
    • http://dokipak.cattailsfinegifts.com/uploads/1/3/1/0/131070374/rorijaweliworera.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/kizikuposob.pdf
    • https://cdn.shopify.com/s/files/1/0429/4872/2851/files/55307648359.pdf
    • https://cdn.shopify.com/s/files/1/0427/9199/3500/files/75618603702.pdf
    • https://cdn.shopify.com/s/files/1/0431/7754/1787/files/92021028126.pdf
    • https://cdn.shopify.com/s/files/1/0432/8908/4068/files/31304420724.pdf
    • https://cdn.shopify.com/s/files/1/0430/3686/8762/files/java_in_easy_steps.pdf
    • https://cdn.shopify.com/s/files/1/0431/6738/3713/files/phonetic_language.pdf
    • https://cdn.shopify.com/s/files/1/0431/3789/2509/files/79275439446.pdf
    • https://cdn.shopify.com/s/files/1/0433/5960/0798/files/lazimivepegatesab.pdf
    • https://cdn.shopify.com/s/files/1/0431/8904/3358/files/62087673697.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/88490435411.pdf
    • https://cdn.shopify.com/s/files/1/0439/8402/7806/files/norikitexola.pdf
    • https://cdn.shopify.com/s/files/1/0432/2449/8333/files/58499509523.pdf
    • https://cdn.shopify.com/s/files/1/0430/6308/3170/files/31996581325.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a78.bin
eed785ea43df4025290f80a0c15bb6348c3dd64d43789038dc400b10deeb6961		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10A78 10792 bytes
font_01_sfnt_off00012dd0.bin
d75309e2b3bb8cf96bd9bbdf85ad1ea99cdbc0943167119a6308e995800abeb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12DD0 5204 bytes
font_02_sfnt_off00013f66.bin
a6ead6adea373c27179d6369a555677dfd02d4d1d60e72c7cde598ef9106c62a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F66 4692 bytes
font_03_sfnt_off00014f83.bin
00aa44242fa5bbf70201c2e9a2da511b7b5e6d0271401e64d16a217c2828bdf0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14F83 10196 bytes
font_04_sfnt_off000172b2.bin
1df1f6f94ed9044cc9083decd2e6d7f2ea88eeb3c8db98e7cf8b447159d89d65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x172B2 17968 bytes

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