Malicious PDF — malware analysis report

Static analysis result for SHA-256 5396cee8a194817e…

MALICIOUS

PDF

114.2 KB Created: 2020-08-14 07:11:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ef72e46cd6b2e0b21f53657bd3cbb09b SHA-1: 4ca7cc7dca4790e11fac7ac63816b46fec454ef6 SHA-256: 5396cee8a194817ec479a1a815de2d8a322f6ff6fa15a034d50d52910434345f
170 Risk Score

Malware Insights

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

The PDF file contains a link to a redirector URL, which is a common tactic for phishing and malware delivery. The document body, though heavily obfuscated, contains text related to a 'buy buy baby registry checklist' and urgency lures, suggesting a phishing attempt. The presence of a link farm and a redirector points to an attempt to drive traffic to malicious infrastructure.

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.
  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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
  • 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=buy+buy+baby+registry+checklist+pdf
    • http://fifafes.gracefmc.org/uploads/1/3/2/7/132712615/nijowijifetisu.pdf
    • http://files.offtheleashpark.com/uploads/1/3/0/8/130813888/73a06bdedf9.pdf
    • http://kuginivaz.hopefulplace.com/uploads/1/3/1/8/131856318/repizumezama.pdf
    • http://files.wynnenoblepotteryclass.com/uploads/1/3/2/7/132740515/3e250aa534.pdf
    • http://files.planofmd-dc.org/uploads/1/3/1/3/131383581/9b672db77981345.pdf
    • https://cdn.shopify.com/s/files/1/0437/1100/4821/files/dotixizekotijune.pdf
    • https://cdn.shopify.com/s/files/1/0441/2581/4936/files/93298556445.pdf
    • https://cdn.shopify.com/s/files/1/0433/6628/5464/files/16333447062.pdf
    • https://cdn.shopify.com/s/files/1/0435/6807/0824/files/18154614046.pdf
    • https://cdn.shopify.com/s/files/1/0432/4104/6171/files/38102040786.pdf
    • https://cdn.shopify.com/s/files/1/0431/8383/3249/files/kebekibuwejelonetanujex.pdf
    • https://cdn.shopify.com/s/files/1/0434/4312/6438/files/anterior_cruciate_ligament_treatment.pdf
    • https://cdn.shopify.com/s/files/1/0441/1044/6744/files/adobe_reader_free_download_cnet.pdf
    • https://cdn.shopify.com/s/files/1/0432/0601/7186/files/44210597375.pdf
    • https://cdn.shopify.com/s/files/1/0439/0499/1387/files/blender_zoom_to_object.pdf
    • https://cdn.shopify.com/s/files/1/0437/5409/4753/files/zuwakogepugapexemafetop.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_off00014958.bin
1794237af898a87aace375cdb24435c0abe792639612bfcc125cb02e849e5fa7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14958 6716 bytes
font_01_sfnt_off00016039.bin
a740c0967ed8aa8206a3e42c6501abab2eb45260f45aeadf90feff6c0fa68ee3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16039 5772 bytes
font_02_sfnt_off000173ce.bin
740517884f8e94d6cb26e632bd3a8be6b6574c0092d40801c0da915676f5c498		 pdf-font-stream PDF embedded font (sfnt) at offset 0x173CE 2812 bytes
font_03_sfnt_off0001801d.bin
f0b7a0b3da33503b070b968d02f32102a5a6bd98d1c994ca3e6973f5259ee011		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1801D 10988 bytes
font_04_sfnt_off0001a5ac.bin
ae9a880aa011dee689cea33f036d6643e4ca0ad3dc7227618f3bf3ed12593692		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A5AC 16076 bytes

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