Malicious PDF — malware analysis report

Static analysis result for SHA-256 041e06b385b5f0bd…

MALICIOUS

PDF

54.4 KB Authoring application: PDFBox First seen: 2020-09-24
MD5: 02acee46b2c6548481884e3cbbed2055 SHA-1: c680f2291938f18170f63e1e2d73b21c2002a76b SHA-256: 041e06b385b5f0bd4e9856c6a58cbf6b1553f4b8b1c9f051360960c0ac65f952
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is identified as malicious by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection. It contains a large number of embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. While no scripts were extracted, the presence of numerous external links indicates a potential for hosting malicious content or phishing lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://mylooksbylex.com/uploads/1/3/0/2/130289244/xasegovezurigila.pdf In PDF document text
    • http://kohltechwindows.com/uploads/1/3/0/6/130621248/zufuma.pdfIn PDF document text
    • http://kallenkentner.com/uploads/1/3/0/2/130272580/8928786.pdfIn PDF document text
    • http://priyagandhi.net/uploads/1/3/0/2/130272394/8772547.pdfIn PDF document text
    • http://houseofbon.design/uploads/1/3/0/8/130874212/dijow.pdfIn PDF document text
    • http://veticusllc.com/uploads/1/3/0/5/130540700/1809349.pdfIn PDF document text
    • http://phondo.com/uploads/1/3/0/2/130289322/8243819.pdfIn PDF document text
    • http://dazzlingweddingsandevents.com/uploads/1/3/0/2/130272484/kazuruziperog_bubum_jagagedemef_dupinotogesise.pdfIn PDF document text
    • http://iwonderwouldi.com/uploads/1/3/0/5/130539129/2e71d48ea85.pdfIn PDF document text
    • http://strategicsolutionsint.com/uploads/1/3/0/8/130814329/nezomoviwi-rutiwirenebe-rodarafisune.pdfIn PDF document text
    • http://redfieldmediamanagement.com/uploads/1/3/0/8/130814858/mutobojazuno.pdfIn PDF document text
    • http://helping-those-in-need.com/uploads/1/3/0/7/130775974/gaxiwigasemunuzo.pdfIn PDF document text
    • http://bsr-project.com/uploads/1/3/0/7/130739488/06ddc9.pdfIn PDF document text
    • http://mypccontractor.com/uploads/1/3/0/6/130604018/6336758.pdfIn PDF document text
    • http://ratchetingwrenchset.com/uploads/1/3/0/8/130873908/9243797.pdfIn PDF document text
    • http://35ewc.com/uploads/1/3/0/7/130776673/zatat-ziwisu-fuvaluwedibolov.pdfIn PDF document text
    • http://palliativecareforuganda.com/uploads/1/3/0/7/130775355/8266185.pdfIn PDF document text
    • http://lw8bn.bpmtc.com/uploads/1/3/0/2/130289380/130289380.html#tea+and+the+industrial+revolution+ielts+answerIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49BE 4152 bytes
SHA-256: 0a8651204712d77b3df8786b20c09d46779fa8f6890d30c9d9c12e9401afa574
font_01_sfnt_off00005731.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5731 20448 bytes
SHA-256: 7b3cb55c60e808ff109445cc3456d29ee7ff40bf724b0aa624e7d11e1260bab5
font_02_sfnt_off000075bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75BC 10320 bytes
SHA-256: fa4fc26bc16e57a8eebf68dcf4247c883c00c5f9ed4928cb78b4768aa3237e59