Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ea26f0f5ce59422…

MALICIOUS

PDF

47.5 KB Created: 2020-08-03 16:07:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49e186bc1aeb47b8fd0304fb9d934407 SHA-1: 9d9e9e8be96bfbb0e20016176ad033d4ec896eda SHA-256: 2ea26f0f5ce5942293dfe28ce5d7b2c79b48eeacce4cf0b60f013ce9338262f2
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical link to a known malicious redirector at `https://ttraff.cc/pify?keyword=industrial+microbiology+by+le+casida+pdf`. This suggests the document is designed to lure users to malicious infrastructure, likely for further exploitation or phishing. The document body itself contains obfuscated text and references to the redirector URL, reinforcing this malicious intent.

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.cc/pify?keyword=industrial+microbiology+by+le+casida+pdf
    • http://files.hkcfoundationforparkinsons.org/uploads/1/3/1/4/131437319/ed1c3b0952cc8.pdf
    • http://files.vauxhallvillageosteopathy.com/uploads/1/3/1/0/131070192/6c71ac24d2.pdf
    • http://files.thereadingpublicmagazine.com/uploads/1/3/0/7/130775762/2084778.pdf
    • http://files.missdayteaches.com/uploads/1/3/2/6/132681851/f83d75829.pdf
    • http://files.ockelmann-art.com/uploads/1/3/1/4/131453733/2883645c7.pdf
    • https://cdn.shopify.com/s/files/1/0433/9158/2357/files/piwijomawogepikakosuro.pdf
    • https://cdn.shopify.com/s/files/1/0429/6962/8828/files/how_to_run_shell_file.pdf
    • https://cdn.shopify.com/s/files/1/0432/6254/1982/files/dadofubovowitoxereke.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23281911610.pdf
    • https://cdn.shopify.com/s/files/1/0433/0536/9758/files/62589354303.pdf
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/sajopugiribadogoxafo.pdf
    • https://cdn.shopify.com/s/files/1/0436/6820/9817/files/kogeg.pdf
    • https://cdn.shopify.com/s/files/1/0435/2756/9576/files/30149358622.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/45873610070.pdf
    • https://cdn.shopify.com/s/files/1/0433/7614/8638/files/82171734443.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdf
    • https://cdn.shopify.com/s/files/1/0428/2816/9382/files/mesanepalukotizulire.pdf
    • https://cdn.shopify.com/s/files/1/0436/4691/0617/files/47136462089.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.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_off000063df.bin
240ca5e00c4907a3554149483b1061d8f0f2f32ead88b37ee4960cd6de5a83fc
pdf-font-stream PDF embedded font (sfnt) at offset 0x63DF 5656 bytes
font_01_sfnt_off00007709.bin
ba18246cca7e42abc084517732376cc08681de100c164ee60624bec95e01aa6b
pdf-font-stream PDF embedded font (sfnt) at offset 0x7709 10560 bytes
font_02_sfnt_off00009b23.bin
ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8
pdf-font-stream PDF embedded font (sfnt) at offset 0x9B23 16164 bytes