Malicious PDF — malware analysis report

Static analysis result for SHA-256 1bfdf8c9a52f121c…

MALICIOUS

PDF

42.8 KB Created: 2020-03-16 10:25:50 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4d1c3d0d5dbe6f0a5b5e4c344ed1e022 SHA-1: 6ea1a0cbb7bcc56d0f20c942829893b776baf1b4 SHA-256: 1bfdf8c9a52f121c0ef7cde38be292a5bf3de944dcbc3e6ba1201506e782681d
78 Risk Score

Malware Insights

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

The PDF document contains numerous embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which point to external PDF files. The document body text, though partially corrupted, contains phrases like 'Delivery challan template' and 'Click here to download', indicating a social engineering lure. The primary intent appears to be directing the user to download a malicious file disguised as a delivery challan.

Heuristics 5

  • 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
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://axis79.pleasingfood.com/uploads/1/3/0/6/130621870/130621870.html#delivery+challan+template+in+excel+free
    • http://www.makingpeacethefilm.com/uploads/1/3/0/5/130541313/889458026943b.pdf
    • http://buugis.com/uploads/1/3/0/7/130739654/5045534.pdf
    • http://mundyengenhariaconstrucoes.com/uploads/1/3/0/5/130539457/nerebakel.pdf
    • http://besthawaiilandscaping.com/uploads/1/3/0/8/130813818/kavuwevi.pdf
    • http://bneiakivadetroit.org/uploads/1/3/0/2/130291575/509130.pdf
    • http://moorehousecreations.com/uploads/1/3/0/6/130605422/mesifarenasu.pdf
    • http://www.singresproperty.com/uploads/1/3/0/5/130550781/2c040d2.pdf
    • http://associazionedareprotezione.org/uploads/1/3/0/2/130270945/kixapakekugofupov.pdf
    • http://www.responsivecenters4couples.com/uploads/1/3/0/2/130291640/vebipoz.pdf
    • http://www.superstampgirl.com/uploads/1/3/0/6/130621853/bokubusid.pdf
    • http://www.bystacywithlove.com/uploads/1/3/0/5/130588944/7062374.pdf
    • http://hostmaster.vandijck-schlack.be/uploads/1/3/0/7/130776677/nosumaxesuw_dakemenaxemok_raginajanegov.pdf
    • http://trendsoftencities.com/uploads/1/3/0/5/130550901/bulanemuwobomabo.pdf
    • http://readingswithrhonda.com/uploads/1/3/0/8/130813511/rakus_nalasabatuwi.pdf
    • http://spicedforyou.com/uploads/1/3/0/6/130604040/dakupomikegago-zopar-kibipeguzibuwex-matedozulezama.pdf
    • http://mta-sts.mail.evanstacythrelfall.com/uploads/1/3/0/7/130739978/1474567.pdf
    • http://www.ajsprepschool.com/uploads/1/3/0/5/130540293/jakenajizolotu_ronezikakaw_towujobubadume_baregewajog.pdf
    • http://jimarcher.com/uploads/1/3/0/5/130542902/pizazivutanonof.pdf
    • http://smartypotty.net/uploads/1/3/0/6/130604935/4c73fca55.pdf
    • http://moringamaster.life/uploads/1/3/0/5/130545827/5438381.pdf
    • http://managerasacoach.com/uploads/1/3/0/5/130545485/7086685.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007d60.bin
5d4b1fa50bfb4938d698721c18a31ee9921abb0a784405c27841c3a1a48a4303		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D60 8384 bytes

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