Malicious PDF — malware analysis report

Static analysis result for SHA-256 b48df1657610642e…

MALICIOUS

PDF

49.2 KB Created: 2020-08-14 12:54:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b4955e5f07daea33f7107083520be69f SHA-1: e025ae4c8c44b95f2ac02cf2d14710b7088f767f SHA-256: b48df1657610642eaf0add86be24dd4179ecdf6d38916f9d62326c7f9eacd84e
128 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting an invoice or report lure, aligning with the SE_INVOICE_LURE heuristic. The primary malicious URL identified is https://ttraff.com/pify?keyword=lansweeper+reports+loading, which likely serves as the initial point of compromise.

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.com/pify?keyword=lansweeper+reports+loading In PDF document text
    • http://files.jerusalemplumbing.co.il/uploads/1/3/1/3/131383586/puzibutilidoma.pdfIn PDF document text
    • http://files.cowlesmath.com/uploads/1/3/1/4/131455283/03b41002c98.pdfIn PDF document text
    • http://files.bighammershields.com/uploads/1/3/1/3/131379594/punepotegi.pdfIn PDF document text
    • http://binebu.cvdm.info/uploads/1/3/1/4/131452825/soxopimoma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2331/9715/files/22379790617.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5870/8118/files/tovamima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0815/4008/files/magawibefusedazumobisisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4392/9757/files/vixalomakigalofuzurovuduw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0292/3939/files/aprender_espaol_para_extranjeros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5262/8118/files/8367278664.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6078/8390/files/wigoleneterada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8784/6806/files/sufogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/magizokoluredofet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4230/7239/files/besupela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1141/5962/files/gifutasegoxosos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0372/4455/files/how_to_make_colored_text_in_discord.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5420/2018/files/33421377985.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a99.bin
615d370b560691aceb66e88dc146ff82cf100f819cb30e17e39440cb09586816		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A99 4948 bytes
font_01_sfnt_off00007b8b.bin
9b4ff368bd017c18e90a0b6ccce2fc2aefaa6a8b6e601e9b0e4767575b282a49		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B8B 14884 bytes
font_02_sfnt_off0000a999.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA999 4324 bytes

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