Malicious PDF — malware analysis report

Static analysis result for SHA-256 7826444f549cc1e7…

MALICIOUS

PDF

55.8 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: 795957b6455a977e8b0690933275bc0b SHA-1: ed5bdd078717cc7e99ad2e548e4f47202c2636e0 SHA-256: 7826444f549cc1e7ad2c798ddebdb09cd4c4a65c0d2ba4408f2e3feb2654ea0f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV detected this file as Pdf.Phishing.TtraffRobotInstall, and a machine learning classifier also flagged it as malicious. The embedded URLs likely serve as lures to download additional malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 3

  • 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.
  • 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://affectedfilms.com/uploads/1/3/0/3/130323972/vefisepix_zekaborelo.pdf In PDF document text
    • http://crossroadsumcanderson.org/uploads/1/3/0/3/130379482/xinasogududitev_wabid_nefidimaxix_temikefematoduj.pdfIn PDF document text
    • http://nicolewilliamswrites.com/uploads/1/3/0/6/130621786/dodizinizug_visif_kofukufomelowik.pdfIn PDF document text
    • http://myrallylife.com/uploads/1/3/0/6/130605166/pugapesu-vilibupimif.pdfIn PDF document text
    • http://signranger.weebly.com/uploads/1/3/0/3/130323762/3d2e640aa8a5.pdfIn PDF document text
    • http://jessicagaul.com/uploads/1/3/0/4/130476192/pebedoxexalewem.pdfIn PDF document text
    • http://motionfuels-arkansas.com/uploads/1/3/0/4/130435633/1340e.pdfIn PDF document text
    • http://cyclebavaria.com/uploads/1/3/0/4/130488429/130488429.html#bowflex+treadclimber+tc5500+service+manualIn PDF document text

Related samples 1

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A8 7948 bytes
SHA-256: 835f8bde988574a074234d01332d656c269d35954624980736bb84d665c69c8e

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