Malicious PDF — malware analysis report

Static analysis result for SHA-256 33cbd3cffa2b5596…

MALICIOUS

PDF

37.0 KB Created: 2020-04-07 11:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5772a6d7afda8a7b693577f1bbcaf2b7 SHA-1: 4ea0fd16c82bf2803c5a59db0a4279bd51f06449 SHA-256: 33cbd3cffa2b5596246a2fff9628bc5a4b3dec6255469e6da3b75510c563704b
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a link farm, suggesting a malicious intent to redirect users to potentially harmful websites. The document body, though partially corrupted, indicates a lure related to a quiz, which is a common social engineering tactic. The presence of numerous PDF links hosted on various domains points towards a campaign distributing malicious content or phishing pages.

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://aglup.ca/uploads/1/3/0/8/130873941/130873941.html#ender%27s+game+chapter+7-9+quiz
    • http://eaglecreek757.com/uploads/1/3/0/5/130550789/3311261.pdf
    • http://working4vets.org/uploads/1/3/0/7/130739117/b3d559d2e8.pdf
    • http://hancockbands.com/uploads/1/3/0/8/130874496/ce6df848010.pdf
    • http://thecoupcoupclub.com/uploads/1/3/0/8/130874583/179563acf73fa.pdf
    • http://thesolanahouse.com/uploads/1/3/1/0/131070627/a51b90750.pdf
    • http://ilonatar.com/uploads/1/3/0/6/130621717/dunob.pdf
    • http://richardson-community-psychology.com/uploads/1/3/0/9/130969775/rasapatel.pdf
    • http://bankandcorp.com/uploads/1/3/1/3/131383838/pupixexosupoxupizena.pdf
    • http://dlockhartphotography.com/uploads/1/3/0/8/130873979/jetatolo.pdf
    • http://whm.sayezz.com/uploads/1/3/0/3/130323092/mogado.pdf
    • http://kingscountybehavioralhealth.com/uploads/1/3/0/5/130551981/gilewavebibem_jamafudu.pdf
    • http://sculptedforest.com/uploads/1/3/0/4/130493714/ea222.pdf
    • http://srilankanrecords.net/uploads/1/3/0/8/130874065/53c7e1720476.pdf
    • http://kingjbrand.com/uploads/1/3/0/6/130603684/c57217e14ce3.pdf
    • http://criaambar.com/uploads/1/3/0/6/130603895/gapug_rikilafela.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_off000068d1.bin
5b18febc70966a375ca218a62d6733a22b43fbc5a1379e09faab00e9b3906369		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68D1 7268 bytes

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