Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ccefde52121652d…

MALICIOUS

PDF

39.2 KB Authoring application: GIMP First seen: 2020-09-24
MD5: 248dec97656b54df3cb656e7f777f7f8 SHA-1: a5041f9ca451cbc127b2eae3f73d2b604833bcc6 SHA-256: 2ccefde52121652d82aaac36358f01ee56a0932ae754f21f0f37a8f188b1d5ae
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of SEO spam or a phishing campaign designed to drive traffic to malicious or deceptive content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://ronstruckshop.com/uploads/1/3/0/7/130775892/vilefofezexeda_sugamegabezuzol_zoguvu.pdf In PDF document text
    • http://tinytikibar.com/uploads/1/3/0/7/130739769/6677601.pdfIn PDF document text
    • http://missionarytest.com/uploads/1/3/0/5/130550732/wivuzazekopurekupudo.pdfIn PDF document text
    • http://newimageroof.com/uploads/1/3/0/5/130539179/besudukuputotone.pdfIn PDF document text
    • http://mindbodyconnectionmassagepilates.com/uploads/1/3/0/5/130588790/motuxofexobu-revax.pdfIn PDF document text
    • http://christianawt.com/uploads/1/3/0/5/130588377/5949874.pdfIn PDF document text
    • http://risingskyproductions.com/uploads/1/3/0/7/130738779/sipugap_gowozi_dafufusudi.pdfIn PDF document text
    • http://thenaturalway.shop/uploads/1/3/0/6/130621622/87d3b2.pdfIn PDF document text
    • http://thatiphoneshow.com/uploads/1/3/0/4/130476458/gibomufabumer-kebatevusefe.pdfIn PDF document text
    • http://www.chiquelepink.com/uploads/1/3/0/7/130776113/602a7d2.pdfIn PDF document text
    • http://bi5q2l.salon225.com/uploads/1/3/0/4/130490719/130490719.html#chord+lagu+hey+jude+the+beatlesIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign: missionarytest.com 4 samples

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001247.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1247 8376 bytes
SHA-256: d337c842059165595d11f62796f4fb109108205689a3cb6f66f5445030f72225
font_01_sfnt_off00005634.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5634 16188 bytes
SHA-256: b62e34d0b875f85eacc614ed4facb7e90e00dea8aabe10023831bb36f69a5f2a

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