Malicious PDF — malware analysis report

Static analysis result for SHA-256 c050966aff30b787…

MALICIOUS

PDF

46.6 KB Authoring application: Scribus First seen: 2020-09-24
MD5: 49420b2da8ab65a755dfb0601992dbfc SHA-1: b38baeb881a9aa2a90c0cf1e642e774631491ed2 SHA-256: c050966aff30b787f085114e540157a996654095bff09e03387713b01d397ce0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to redirect users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body contains garbled text and a list of URLs, reinforcing the link farm attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://masonkeim.net/uploads/1/3/0/7/130740616/220d0e118.pdf In PDF document text
    • http://bidpayfreight.com/uploads/1/3/0/6/130621495/lazuj-funomaj.pdfIn PDF document text
    • http://leg-al.com/uploads/1/3/0/6/130621301/822946.pdfIn PDF document text
    • http://ux-consulting.co/uploads/1/3/0/7/130740252/badixugezemolizapiki.pdfIn PDF document text
    • http://nuclearoven.com/uploads/1/3/0/6/130605369/velajeki.pdfIn PDF document text
    • http://beachypress.com/uploads/1/3/0/5/130539097/252871.pdfIn PDF document text
    • http://barbell.mtnhomesd.org/uploads/1/3/0/7/130775519/kefupupejapar.pdfIn PDF document text
    • http://mingocarelabs.com/uploads/1/3/0/6/130639784/vuzudevav.pdfIn PDF document text
    • http://apocalypsepi.com/uploads/1/3/0/2/130270987/6395333.pdfIn PDF document text
    • http://kittenconvict.com/uploads/1/3/0/2/130289244/044d9.pdfIn PDF document text
    • http://calgarypopupweddings.com/uploads/1/3/0/5/130539728/810999.pdfIn PDF document text
    • http://adsl-65-43-110-209.carmichaelnl.com/uploads/1/3/0/5/130590507/130590507.html#ncert+10th+class+maths+book+solutions+in+hindi+medium+pdf+downloadIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35E7 1388 bytes
SHA-256: 1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0
font_01_sfnt_off00003eb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EB3 11376 bytes
SHA-256: 3feaa5fa9d9c162c6413c89b16b8b3630892ce3fac25bcda919e1c880397d331
font_02_sfnt_off00005ffb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FFB 7688 bytes
SHA-256: 0ebc7f11b684f66f1064ed2b42dd41950bcdca0d34d117ea9ad6b27d75114ab7