Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc193f007578f6fc…

MALICIOUS

PDF

38.5 KB Created: 2020-08-20 18:47:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a95b5d173322875a3986e7e3ff81befa SHA-1: 330d1acac7ab91b95524167f6b073d0b2f095bc2 SHA-256: dc193f007578f6fc72ef80f11d3729d56cc5f5d6f456ca1260bc1df312663b69
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector, indicating a phishing or malware distribution attempt. The document body explicitly mentions 'Call of duty strike team apk apkpure' and includes a URL pointing to a redirector, suggesting a lure for potentially unwanted software or malware. The presence of numerous external links, many hosted on Shopify, further supports the link farm heuristic. No scripts were extracted from this sample.

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.
  • 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.com/pify?keyword=call+of+duty+strike+team+apk+apkpure
    • http://files.greenacrescanoe.com/uploads/1/3/1/3/131380175/20aa5.pdf
    • http://sazuledi.carolenapier.com/uploads/1/3/1/1/131164250/1258686.pdf
    • http://files.stpatrickswall.com/uploads/1/3/0/7/130775063/2662831.pdf
    • https://cdn.shopify.com/s/files/1/0431/0863/0681/files/team_extreme_minecraft_launcher_download.pdf
    • https://cdn.shopify.com/s/files/1/0440/8305/2696/files/total_coliform_definition.pdf
    • https://cdn.shopify.com/s/files/1/0434/4361/7959/files/loveland_reporter_herald_contact_number.pdf
    • https://cdn.shopify.com/s/files/1/0448/0362/1025/files/20399731938.pdf
    • https://cdn.shopify.com/s/files/1/0432/5074/5512/files/java_8_streams_performance.pdf
    • https://cdn.shopify.com/s/files/1/0431/4995/1125/files/cents_to_dollars_converter.pdf
    • https://cdn.shopify.com/s/files/1/0435/4369/1419/files/itunes_for_mac_10._10._5.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a18.bin
f74d55c3ed908c58700fdba44fe0f6a811ede4855600f9757f5d0a774fe1abe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A18 5152 bytes
font_01_sfnt_off00005bb2.bin
0158f8932f9ff8eb7051446a63cad83418c74395652016154e4e45954553cc91		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BB2 10648 bytes
font_02_sfnt_off00007f7c.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F7C 4324 bytes

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