Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe810c176296cbc8…

MALICIOUS

PDF

427.8 KB Created: 2020-08-12 06:04:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d26f4688e6be7b4d446768bd52a24e9 SHA-1: 7084c03bbedb652bc0dcc2a50eb77fc9605e027f SHA-256: fe810c176296cbc8121cd55b438044fd3387a9df49a6f9649cd2f387de69b87f
108 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=cambridge+english+empower+a1+pdf'. This URL is associated with an advance-fee scam lure, as indicated by the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic. The document body, though heavily obfuscated, also contains the same URL, suggesting it's the primary mechanism for delivering the malicious payload.

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.
  • 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.cc/pify?keyword=cambridge+english+empower+a1+pdf
    • http://files.multiaxis.llc/uploads/1/3/2/6/132682171/9616310.pdf
    • http://files.willowsmeltingpot.com/uploads/1/3/1/1/131163976/pimejagisinilamu.pdf
    • http://zifazuvo.mccsignup.com/uploads/1/3/1/0/131070036/munap.pdf
    • http://files.moniquenicolecaston.com/uploads/1/3/1/0/131069915/sawazax_xenasugudag_jilejivo_loler.pdf
    • https://cdn.shopify.com/s/files/1/0431/8239/1451/files/29728027980.pdf
    • https://cdn.shopify.com/s/files/1/0438/1851/6637/files/understanding_business_statistics.pdf
    • https://cdn.shopify.com/s/files/1/0435/4513/3207/files/deworenofosav.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6982/files/dozaze.pdf
    • https://cdn.shopify.com/s/files/1/0450/9263/4789/files/anosmia_adalah.pdf
    • https://cdn.shopify.com/s/files/1/0434/6429/4557/files/pedezutujolaxevopi.pdf
    • https://cdn.shopify.com/s/files/1/0433/6032/1691/files/4609498443.pdf
    • https://cdn.shopify.com/s/files/1/0434/7261/7637/files/xomebigosojesixe.pdf
    • https://cdn.shopify.com/s/files/1/0437/2663/5157/files/zaxiteperujunebisip.pdf
    • https://cdn.shopify.com/s/files/1/0439/1878/6728/files/tabeer_ur_roya_online.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/norojakibi.pdf
    • https://cdn.shopify.com/s/files/1/0435/7708/2017/files/ravi_belagere_book_siddhartha_download.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0006305b.bin
744ca647e56992e645697f3d9d397f5dcb8a750d808ec9844714f186a9b6fe88
pdf-font-stream PDF embedded font (sfnt) at offset 0x6305B 5472 bytes
font_01_sfnt_off000642d3.bin
436a649e0b25bbd56e0174a41ba20a3dedecb16f5c30a08cf9fa11ba3562c844
pdf-font-stream PDF embedded font (sfnt) at offset 0x642D3 18092 bytes
font_02_sfnt_off00067ab6.bin
ebf4ef91c795bcdcc4f7989d10f81c6d80ce5aae900a42d0e1c2eb1684d60f06
pdf-font-stream PDF embedded font (sfnt) at offset 0x67AB6 16580 bytes
font_03_sfnt_off0006915f.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x6915F 4324 bytes