Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f4636bfd27afde7…

MALICIOUS

PDF

59.7 KB Authoring application: GIMP First seen: 2020-09-24
MD5: 043cfa1cff0335365f0ec4b6b82a74a9 SHA-1: e8747b94f7c951c4d3f5387d9cfc80f94bdd1757 SHA-256: 1f4636bfd27afde7d660919d9e3fda898fb5098e05e1cee796098aa3b38e171f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule indicating a mass of external links, and a machine learning classifier with a high confidence score. ClamAV also identified it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs, such as http://jer-zu.com/uploads/1/3/0/2/130274316/zuloteponimuxo-gigikutu-losoxo.pdf, are likely part of a phishing campaign or a mechanism to download further malicious content. No scripts were extracted from this sample.

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://jer-zu.com/uploads/1/3/0/2/130274316/zuloteponimuxo-gigikutu-losoxo.pdf In PDF document text
    • http://motherwrenstudio.com/uploads/1/3/0/7/130739119/4193460.pdfIn PDF document text
    • http://baraspektrum.com/uploads/1/3/0/5/130588806/fonulo-lefalixu-garogofufe-wamamarudepuf.pdfIn PDF document text
    • http://scattered-leaves.com/uploads/1/3/0/3/130379959/6203411.pdfIn PDF document text
    • http://bestofthemenu.com/uploads/1/3/0/6/130604944/timolobebuwugeb.pdfIn PDF document text
    • http://heritagehomecatechismkit.com/uploads/1/3/0/2/130270869/wukukuduruzobu-letima.pdfIn PDF document text
    • http://pinkjewelers.net/uploads/1/3/0/4/130488308/cb870874c472.pdfIn PDF document text
    • http://slsfnc.com/uploads/1/3/0/6/130639648/055810438c2c.pdfIn PDF document text
    • http://harmonyofart.com/uploads/1/3/0/8/130813855/sekutinukivupejag.pdfIn PDF document text
    • http://siliconvalleyot.com/uploads/1/3/0/2/130291783/8579751.pdfIn PDF document text
    • http://janiceandersonmusic.com/uploads/1/3/0/5/130542773/jupuxotovitowiwilude.pdfIn PDF document text
    • http://nicolasvaradi.com/uploads/1/3/0/3/130324050/0490ebe908.pdfIn PDF document text
    • http://xowf.com/uploads/1/3/0/3/130323506/1144d.pdfIn PDF document text
    • http://atombombbikini.net/uploads/1/3/0/7/130775668/wafazuvilijebebodari.pdfIn PDF document text
    • http://wearethepack.com/uploads/1/3/0/6/130639851/xebejo.pdfIn PDF document text
    • http://www.navinamisir.com/uploads/1/3/0/7/130775658/7784792.pdfIn PDF document text
    • http://hackanory.com/uploads/1/3/0/2/130287972/3b783ded1d2f2cc.pdfIn PDF document text
    • http://theoperapreneur.com/uploads/1/3/0/6/130604458/vunuviwixofemaro.pdfIn PDF document text
    • http://www.grandviewlodgeandresort.com/uploads/1/3/0/7/130776321/nuroloxixo-tazajifiwidoda-baxetemeguvaxi.pdfIn PDF document text
    • http://acostaink.com/uploads/1/3/0/6/130639360/2507686.pdfIn PDF document text
    • http://pirrellofamily.com/uploads/1/3/0/5/130588663/jawomusukuta-deliwamenema-puzaxusetow.pdfIn PDF document text
    • http://amandawoodshall.com/uploads/1/3/0/3/130379145/ed205ee33971.pdfIn PDF document text
    • http://academictranscripts.com.au/uploads/1/3/0/2/130288523/gutaj.pdfIn PDF document text
    • http://gameosphere.com/uploads/1/3/0/5/130544089/kukorawobukitugo.pdfIn PDF document text
    • http://riseroofer.com/uploads/1/3/0/6/130603676/vokopikifirowezidiga.pdfIn PDF document text
    • http://pjocib.bdgct.com/uploads/1/3/0/8/130874529/130874529.html#alessandro+marcello+concerto+for+oboe+and+strings+in+d+minorIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 2

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_off00001488.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1488 10940 bytes
SHA-256: dc5d729eb4f9aeb73a70764189a6571b552481228ab5de87a8404cde28f1144e
font_01_sfnt_off00009667.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9667 16304 bytes
SHA-256: 52555943f71b19535806cc426a055ca9135f55ef68833bf8ba86382cf969bb47

Open this report in the interactive analyzer, or submit your own file for analysis.