Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1c9616dbadcf1c3…

MALICIOUS

PDF

36.4 KB Created: 2020-09-05 01:58:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5b1100be5dd6747ae1e8ebc9340c8327 SHA-1: 3c022d3f2a47a1e96359111890ac8a551aa2aeb2 SHA-256: a1c9616dbadcf1c347dbc02db4d04a98ab18d1a0dda751a41598df66343a7fe6
120 Risk Score

Malware Insights

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

The PDF contains a link to a redirector service, which is a common tactic for delivering malicious payloads or phishing pages. The document body mentions 'Aeroplane game 3d apk', suggesting a lure to trick users into downloading potentially harmful software. The presence of a link farm further indicates a malicious intent to distribute content through multiple external links.

Heuristics 3

  • 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.
  • 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.link/wix?keyword=aeroplane+game+3d++apk
    • https://cdn.shopify.com/s/files/1/0437/8768/1952/files/bafg_formblatt_3_zum_ausfllen.pdf
    • https://cdn.shopify.com/s/files/1/0434/4394/5628/files/xabafuratopejavij.pdf
    • https://cdn.shopify.com/s/files/1/0437/9059/8305/files/bawozedamatiloleseram.pdf
    • https://cdn.shopify.com/s/files/1/0428/3557/4943/files/zusekawaxokepuki.pdf
    • https://static.usrfiles.com/ugd/b444d4_a76b9d9a41f0428caa1b5e80f1aef711.pdf
    • https://static.usrfiles.com/ugd/49be48_b97ec004eb54408688e6f67d13cd467a.pdf
    • https://static.usrfiles.com/ugd/c8f33b_ca1597fca3314959bfd8c78edd230f3c.pdf
    • https://static.usrfiles.com/ugd/5b5da7_a367939640e3427391409c39ce3d1a25.pdf
    • https://static.usrfiles.com/ugd/865d50_bbcd9014465947da9807728070a5b893.pdf
    • https://static.usrfiles.com/ugd/01bc73_fd9d3e9c8a234df0913bfc0a68c6c560.pdf
    • https://cdn.shopify.com/s/files/1/0432/9373/7118/files/vufuverotomumi.pdf
    • https://cdn.shopify.com/s/files/1/0429/2821/0073/files/xerot.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_off00004e8f.bin
6c40199bb8d9e8f2564fd32066be7eb348fbbe0b4a77803c00c2085c29a9b3c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E8F 5316 bytes
font_01_sfnt_off00006094.bin
4e4e2faad6e7509d0206e85fde48f0abf6c4026f215a16a43aff1461265ef31d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6094 10680 bytes

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