Malicious PDF — malware analysis report

Static analysis result for SHA-256 907c10aeee869b35…

MALICIOUS

PDF

46.0 KB Created: 2020-08-11 00:08:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62ecd5af76ce2a952682152a4bdd3b55 SHA-1: fe1255e8d7ac8a8bed9faa83b2e4de38a3fc0d93 SHA-256: 907c10aeee869b35d73f6ab21d5da64521613b290f0df6c7ab7ea939f86297bb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.com. The document body, though heavily obfuscated, contains the text 'Ew bullinger companion bible pdf' and the malicious URL, suggesting a lure to disguise the malicious redirection. The primary attack pattern involves tricking the user into visiting a malicious URL disguised as a benign document.

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=ew+bullinger+companion+bible+pdf
    • http://files.tsceramics.com/uploads/1/3/1/4/131437930/zitiw-tasatololesapaw.pdf
    • http://files.my-living-benefits.com/uploads/1/3/0/9/130969386/1918964.pdf
    • http://durofefe.ketimages.com/uploads/1/3/2/6/132695569/2c802.pdf
    • http://files.maddumplings.com/uploads/1/3/1/3/131384636/4255010.pdf
    • https://cdn.shopify.com/s/files/1/0432/9819/3573/files/5200804290.pdf
    • https://cdn.shopify.com/s/files/1/0429/4557/7116/files/vusajafowuduf.pdf
    • https://cdn.shopify.com/s/files/1/0428/4681/4374/files/22855708132.pdf
    • https://cdn.shopify.com/s/files/1/0429/5308/0991/files/96358656638.pdf
    • https://cdn.shopify.com/s/files/1/0429/7038/2490/files/93157347440.pdf
    • https://cdn.shopify.com/s/files/1/0435/6594/0904/files/buxugijetonugewoxemote.pdf
    • https://cdn.shopify.com/s/files/1/0438/7287/8747/files/pexagigapo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3957/1616/files/tipigatag.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijovosulodomozov.pdf
    • https://cdn.shopify.com/s/files/1/0432/3688/4642/files/28105279273.pdf
    • https://cdn.shopify.com/s/files/1/0432/7076/6750/files/39815308237.pdf
    • https://cdn.shopify.com/s/files/1/0436/3347/5737/files/cs8091_big_data_analytics_notes.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_off00007645.bin
878031880f62c6b8d45179c05bb50d0484f7c6c3f94e6a3f7ed436312ef24678		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7645 5484 bytes
font_01_sfnt_off000088e2.bin
2b0dbf9ce0aa07110fb66232cf59fe41d61d9dbf164003f3d8f2a561cc670ea1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88E2 10076 bytes

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