Malicious PDF — malware analysis report

Static analysis result for SHA-256 517de47df752d113…

MALICIOUS

PDF

33.6 KB Created: 2020-08-12 00:50:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e415772e60c60f3b94dcbd66cff4f95c SHA-1: 0b53afa0f97fb84f4034eec8114ffaa67138c4a6 SHA-256: 517de47df752d113b23da2f4c59a147de371d4da12393f480be54551b5fc6615
130 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including one pointing to a known malicious redirector at 'https://ttraff.cc/pify?keyword=story+central+1+pdf+download'. This indicates a phishing or scam attempt where the user is lured to click a link disguised as a download button. The document body contains obfuscated text and embedded URLs, further supporting the malicious intent.

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.cc/pify?keyword=story+central+1+pdf+download
    • http://files.pamelapretty.com/uploads/1/3/1/3/131381374/8211132.pdf
    • http://files.waltshotrodshop.com/uploads/1/3/1/4/131453348/1867429.pdf
    • http://files.powdermonkeycayman.com/uploads/1/3/1/1/131164198/7033960.pdf
    • http://files.kavannahyoga.com/uploads/1/3/1/0/131070674/c31dbe009694.pdf
    • http://jajuzupo.esquiregames.com/uploads/1/3/0/8/130874422/3858257.pdf
    • https://cdn.shopify.com/s/files/1/0428/2567/9015/files/rajot.pdf
    • https://cdn.shopify.com/s/files/1/0436/4356/8278/files/madar.pdf
    • https://cdn.shopify.com/s/files/1/0428/9495/0559/files/22839553950.pdf
    • https://cdn.shopify.com/s/files/1/0436/0906/3586/files/82689319893.pdf
    • https://cdn.shopify.com/s/files/1/0432/8462/7616/files/59137964984.pdf
    • https://cdn.shopify.com/s/files/1/0429/5249/1159/files/14520999131.pdf
    • https://cdn.shopify.com/s/files/1/0434/7992/4902/files/catalogue_ikea_2020_maroc.pdf
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/ramuxezetuxarure.pdf
    • https://cdn.shopify.com/s/files/1/0435/4139/7656/files/sifumusuxakopo.pdf
    • https://cdn.shopify.com/s/files/1/0437/0857/9993/files/85157496486.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_off0000474d.bin
b98181747f62402f6f91fc20d6c253f37fd8cb24707b62149be8607ba440e001		 pdf-font-stream PDF embedded font (sfnt) at offset 0x474D 5320 bytes
font_01_sfnt_off0000598a.bin
a1b0cff43fe936a0c0d45854c079f38d65d99b04a28b2a14db5ccf37fef309b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x598A 9476 bytes

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