Malicious PDF — malware analysis report

Static analysis result for SHA-256 927bc479ba35fbd1…

MALICIOUS

PDF

73.8 KB Created: 2020-08-08 05:46:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f2be06bd7dccc354fe940d2c33ef614e SHA-1: f79bc8d83c4cc696c7225b97bbec1115cebe25ea SHA-256: 927bc479ba35fbd1c480a9a3b51da406ab1fde52dd71904d66cd2b8a0e91d30b
130 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=paris+metro+map+pdf+english'. This URL is likely part of a phishing or malware distribution chain. The document body, though heavily obfuscated, contains text fragments that suggest a lure related to a 'Paris metro map pdf english'. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, indicates a link farm SEO tactic, 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=paris+metro+map+pdf+english
    • http://files.smarttouchskin.solutions/uploads/1/3/0/8/130874422/zanutumatu.pdf
    • http://files.texashollandlops.com/uploads/1/3/1/3/131379371/7953459.pdf
    • http://files.gogovernors.com/uploads/1/3/1/4/131406762/6528224.pdf
    • http://files.releasemystress.co.uk/uploads/1/3/0/9/130969440/bodobonepa_xumuwiku_jutixezavuro.pdf
    • https://cdn.shopify.com/s/files/1/0429/6015/8873/files/7324808889.pdf
    • https://cdn.shopify.com/s/files/1/0432/0896/6307/files/20844958984.pdf
    • https://cdn.shopify.com/s/files/1/0431/6663/0037/files/nogezekilowivulepusafiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/5670/1346/files/24871980897.pdf
    • https://cdn.shopify.com/s/files/1/0434/0593/4757/files/kezakobafepifodesibin.pdf
    • https://cdn.shopify.com/s/files/1/0437/3741/5831/files/zuguwinomug.pdf
    • https://cdn.shopify.com/s/files/1/0431/0512/4516/files/36593512727.pdf
    • https://cdn.shopify.com/s/files/1/0437/7044/5975/files/applied_research_study.pdf
    • https://cdn.shopify.com/s/files/1/0431/3936/7061/files/zimumegupopaduri.pdf
    • https://cdn.shopify.com/s/files/1/0433/7709/8910/files/18457822156.pdf
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/maguseperutimiru.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b970.bin
2552c4a72a1e6eeb76a5145789d1f595023afcdc70a38157f22688f84df4585f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB970 5456 bytes
font_01_sfnt_off0000cbcb.bin
ece05f8edc79c5734c9255d4e3d3dd1950cd4231f16da56a7d9a1b87a12b4edb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCBCB 4212 bytes
font_02_sfnt_off0000d7c5.bin
22cf5f2e24080a51e5a7119b50987ff7a76071c5e626edee8b84a081878e202b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD7C5 10308 bytes
font_03_sfnt_off0000fb2a.bin
9cd6f556534276038fb0507b01110337a90226b1c3fb6861688cde9183bbf7b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB2A 16460 bytes
font_04_sfnt_off00011152.bin
f27f1dab863be407bc80ce69f069aaa000ada345c50a5fba1d6b915b5f603bb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11152 1736 bytes

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