Malicious PDF — malware analysis report

Static analysis result for SHA-256 e176a784a7e75c34…

MALICIOUS

PDF

36.0 KB Created: 2020-04-11 22:08:03 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: fa139679afe09a0c6ad7090e15f54b24 SHA-1: 5cea4bbba05c3ea0d47947b79d7972ac0d81d73b SHA-256: e176a784a7e75c34b1597259697d6b56ccb3aa329b06e7d8d026426e469c9355
82 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. One of these links, http://grupoforrajeroxalos.net/uploads/1/3/1/3/131380121/131380121.html#ivms-4500+for+android, is also present in the document body. The presence of a QR code lure, though common, further suggests a phishing or social engineering attempt. The document's structure and link farm indicate a likely attempt to redirect users to malicious content or phishing pages.

Heuristics 4

  • 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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://grupoforrajeroxalos.net/uploads/1/3/1/3/131380121/131380121.html#ivms-4500+for+android
    • http://jaimesilversteinyoga.com/uploads/1/3/0/3/130379182/697445.pdf
    • http://gretaroberts.com/uploads/1/3/1/4/131454556/xixotixujoxet.pdf
    • http://boobysbeachshop.com/uploads/1/3/0/5/130551836/e1fb74458476e.pdf
    • http://totaltonefitness.com/uploads/1/3/0/5/130589222/5369981.pdf
    • http://brettkorpi.com/uploads/1/3/0/7/130776110/zikopaporovakisorud.pdf
    • http://inmybubblearts.com/uploads/1/3/0/8/130873710/f436ed79281b48.pdf
    • http://palosislamiccenter.org/uploads/1/3/0/5/130590126/vojagomakeb-fisipimexa-vuzelup.pdf
    • http://bolaparada.site/uploads/1/3/0/5/130546538/5023457.pdf
    • http://derricktmcarthur.blog/uploads/1/3/1/4/131411762/suxodatumubig-sugototadevix-gogisi.pdf
    • http://wojtasekrealty.com/uploads/1/3/0/6/130620244/vezefakijitenupotev.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_off00006509.bin
327897e05a90bb9758823619bfa892f78a7658c8ce5019a8593d4e5b22fe7149		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6509 8092 bytes

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