Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d0c183f3e126970…

MALICIOUS

PDF

41.7 KB Created: 2020-08-23 20:09:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92aa323ee71704025ea29b356bbae289 SHA-1: ef2d1e3f0d65c3c9a2a695950990fa0f98440250 SHA-256: 2d0c183f3e126970dca9f20722a80a0cb1a475eefc7039396ca991e28b05e5f6
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at `https://ttraff.com/pify?keyword=python+3.+4+64+bit`. The document body, though heavily obfuscated, also contains this URL and other links to PDF files hosted on various domains, suggesting a link farm or redirection scheme. The presence of these links and the heuristic firings strongly indicate a malicious intent to redirect the user to harmful content.

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.com/pify?keyword=python+3.+4+64+bit
    • http://files.hordlevoluntarycare.org/uploads/1/3/0/8/130874413/zoladamalija.pdf
    • http://paduxisu.lavelcustomcrowns.com/uploads/1/3/0/8/130873825/8790520.pdf
    • http://files.stbartshighsprings.org/uploads/1/3/0/8/130874284/e8699df.pdf
    • http://files.davidjuliamusic.com/uploads/1/3/0/8/130874204/85aef08.pdf
    • http://files.kathrynclark.net/uploads/1/3/1/3/131383318/kugoxamusanukuv_xofimegoxidig.pdf
    • https://cdn.shopify.com/s/files/1/0433/5733/9800/files/dedepumobidenozikok.pdf
    • https://cdn.shopify.com/s/files/1/0428/8980/5983/files/cdac_full_form_in_computer.pdf
    • https://cdn.shopify.com/s/files/1/0428/9606/4671/files/94790404499.pdf
    • https://cdn.shopify.com/s/files/1/0433/3935/0181/files/85658469909.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/29878061118.pdf
    • https://cdn.shopify.com/s/files/1/0465/3200/1950/files/ncert_science_book_class_11_biology.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/pidemosadugamimex.pdf
    • https://cdn.shopify.com/s/files/1/0446/8090/4857/files/vpn_android_iran.pdf
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/dupej.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/
    • https://cdn.shopify.com/s/file

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066b0.bin
8626f011c3dbf4a79381a23e7b8a041d5e1d86a1c20c566a62bfb9039540344b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66B0 4936 bytes
font_01_sfnt_off0000778c.bin
a6fede21cc25eb99ae0cb0b0aee2e7345e136d599cb28ce099272de1f4d3d9c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x778C 10080 bytes

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