Malicious PDF — malware analysis report

Static analysis result for SHA-256 d87ead14fc2cfea2…

MALICIOUS

PDF

33.2 KB Authoring application: GIMP
MD5: 6e065a8150a6b47820fb014721d07637 SHA-1: 7cdde434e8bef83a9f376b9d47bb3886aefda8e2 SHA-256: d87ead14fc2cfea297598939c7770ab36cdfb9afe6e2c91a4549d4cba6ff8dcd
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as a phishing-related PDF. The document body itself is heavily corrupted and unreadable, but the presence of numerous links suggests a malicious intent, possibly for SEO spam or to redirect users to malicious sites. 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://wog.gotechsolucoes.com/uploads/2020/01/27/murexitipuwo-wegig-gujew.pdf
    • http://benjamintkach.com/uploads/1/3/0/2/130287984/jumovoju-jebufixena.pdf
    • https://liwawakax.weebly.com/uploads/1/3/0/4/130483489/kotujefatowivi.pdf
    • https://petazewofenirir.weebly.com/uploads/1/3/0/5/130539659/b69ed407700303.pdf
    • http://burnellinfinitymath.com/uploads/1/3/0/2/130270812/1499355.pdf
    • http://extenzo174.ru/uploads/2020/01/29/fikediv.pdf
    • http://begettest05.fun/uploads/2020/01/29/vetazepi.pdf
    • http://copelandconnection.org/uploads/1/3/0/6/130621055/4253284.pdf
    • http://newvisionsecurity.net/uploads/1/3/0/5/130540453/1575318.pdf
    • http://wasukalusi.reshenie-odincovo.ru/uploads/2020/01/27/ed447ae105.pdf
    • https://pelirevuj.weebly.com/uploads/1/3/0/5/130588517/zebipivonuj.pdf
    • https://jemejagukop.weebly.com/uploads/1/3/0/5/130590265/megatuz_reroxidim.pdf
    • http://fopul.kitai-journal.ru/uploads/2020/01/27/9888234.pdf
    • http://riveralexander.com/uploads/1/3/0/4/130483576/nuxavibokiromi_lizivedewuvo_tonobilaninoxuw.pdf
    • http://billingsequestrian.com/uploads/1/3/0/6/130621197/wufelosekomibax-guvifajikurewi-bozid-medegilobum.pdf
    • http://printable-ebooks.com/uploads/1/3/0/4/130436207/3433940.pdf
    • http://wildwfarm.com/uploads/1/3/0/4/130491594/goxolamasunogoxudi.pdf
    • http://miracleinabucket.com/uploads/1/3/0/4/130476917/130476917.html#interface+and+abstract+class+oop

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014ed.bin
9a65a0138621cdd10590706cc05fba4c022a71aa21725c7adc4a6bac78740cff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14ED 7588 bytes

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