Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd02b91ebd32b698…

MALICIOUS

PDF

37.3 KB Created: 2020-04-04 15:50:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7cade5d2d7cfaa9f5f6456c47861c9fa SHA-1: 777fafdf00d7f3b02aad8f3b11ebca432933138f SHA-256: fd02b91ebd32b698223a288670f6f324e5fa0cbcd3198bbd8b4c53d8142945a0
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many pointing to PDF files hosted on various domains. The document body text, though partially corrupted, includes a URL that mirrors the structure of the other embedded links. This suggests a link farm or SEO poisoning technique, likely intended to direct users to malicious content or phishing pages. No scripts were extracted from this sample.

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://spacecreationdesign.com/uploads/1/3/0/9/130969352/130969352.html#c%C3%B3mo+convertir+20+dec%C3%ADmetros+a+metros
    • http://projectangel.solutions/uploads/1/3/0/7/130775355/8210763.pdf
    • http://munchiesforfun.com/uploads/1/3/0/3/130379183/5616004.pdf
    • http://bluebonnetspeech.com/uploads/1/3/0/9/130969343/gurubelarupobupumu.pdf
    • http://chrisforadl.com/uploads/1/3/0/2/130271185/zunobineku.pdf
    • http://firstchoicemedicalsupplies.net/uploads/1/3/1/4/131438050/5050064.pdf
    • http://samuelboda.com/uploads/1/3/1/3/131379434/guwazijozaj.pdf
    • http://v2uniformesbadasdemusica.com/uploads/1/3/0/6/130621751/bizadi.pdf
    • http://protiviti-us.org/uploads/1/3/0/8/130873908/6246675.pdf
    • http://thedependakitchen.com/uploads/1/3/0/7/130740192/9877571.pdf
    • http://vegasfabric.com/uploads/1/3/0/6/130620769/nerulojidi_fimupafazagira.pdf
    • http://tresmaderas.net/uploads/1/3/0/6/130604696/c1688.pdf
    • http://profetu-ardelean.com/uploads/1/3/0/6/130639757/bumosonoxujef.pdf
    • http://buttercupblog.com/uploads/1/3/0/5/130550768/xakutozeka_zobuzogenu_siwesukoru_putaranagoxavid.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_off0000686e.bin
12cdaec07f1821d680d0dafe646aab8e04d3bd5820f9d090e803744d8acc7ae6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x686E 8040 bytes

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