Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c0deefad17da1bf…

MALICIOUS

PDF

49.9 KB Created: 2020-04-05 13:17:53 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4484b1ed698c300fcc97e745bfef9448 SHA-1: 89bd9223fae2e78e09c9687cb5369ecff6dd10bf SHA-256: 3c0deefad17da1bfd34f7962572b65a8ac52baefb371e3005bda1842b2c30517
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The embedded document body text, though garbled, contains a URL that points to a Spanish language document about verb tenses, which is likely a lure. The primary function appears to be directing users to a vast collection of external PDF files hosted across numerous domains, potentially for SEO spam or to distribute further malicious content.

Heuristics 3

  • 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.
  • 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://hobbyinspirasjon.no/uploads/1/3/0/4/130436054/130436054.html#todos+los+tiempos+verbales+espa%C3%B1ol
    • http://goldendoodlefun.com/uploads/1/3/0/6/130604421/10af11a4df98.pdf
    • http://christeymader.com/uploads/1/3/0/5/130539035/wuzeribadame-nedoduvibu-podudinumudine.pdf
    • http://oasishospitalphysiotherapy.org/uploads/1/3/1/4/131438405/siwezuj_nokukuf_gelus.pdf
    • http://ucmchurch.com/uploads/1/3/0/5/130588393/bupodikexawajesebuf.pdf
    • http://gwo-international.org/uploads/1/3/0/5/130542964/lijumoduxef_kivapezowe_jegabo_gokafobap.pdf
    • http://esthetiqueandrina.ca/uploads/1/3/0/5/130589338/3155403.pdf
    • http://antelope3.com/uploads/1/3/1/4/131483488/kavepuli.pdf
    • http://logisticsunitedinc.com/uploads/1/3/0/7/130775851/japudezipex-domaragonivu-gunolu.pdf
    • http://heightscornerrestaurant.com/uploads/1/3/0/5/130541073/5616209.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_off00008d22.bin
df21f1da8029c469f2e79536573dd7faa1cfbac180cbc15aa51e4954afb72e26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D22 9448 bytes
font_01_sfnt_off0000aeff.bin
a1600c79331cba21b3b4a1f056a9d989f02b1280d9db796053b5096bff0b23f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAEFF 2000 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.