Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddc0ce2929041868…

MALICIOUS

PDF

35.8 KB Authoring application: PDF Studio
MD5: b21e11a9c76330f76e7ed1e206c3a276 SHA-1: 6a2c2c2e68567469fdb6dbf154b813576d26b949 SHA-256: ddc0ce2929041868f1048190725df50242a7013f75273db13360c9165350caa5
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, characteristic of a link farm designed to direct users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score further support its malicious nature. The document body, though partially corrupted, contains references to a manual and URLs, suggesting a lure to download further malicious files.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 https://pefudiwagik.weebly.com/uploads/1/3/0/2/130289779/4038522.pdf
    • http://yoanstudio.com/uploads/1/3/0/5/130546294/punigo.pdf
    • http://vanhowell.com/uploads/1/3/0/5/130589217/0c06396617a572.pdf
    • http://debbiesdynamicdesigns.com/uploads/1/3/0/6/130620470/rixaxezofim_sopofojo.pdf
    • https://sulovugen.weebly.com/uploads/1/3/0/3/130379769/julujagobure.pdf
    • http://ckcomputerrepair.com/uploads/1/3/0/5/130551279/rafelilakunalobosifu.pdf
    • https://nadaneka.weebly.com/uploads/1/3/0/4/130475979/tujukusawenobar.pdf
    • https://xobofasufo.weebly.com/uploads/1/3/0/2/130289583/6da13b578d8c618.pdf
    • http://robertsfisheries.weebly.com/uploads/1/3/0/6/130605179/varigititep_wuzope_bilow.pdf
    • http://medmico-h2020.com/uploads/1/3/0/3/130323693/8ef98d8d900d.pdf
    • http://bovudepug.vrkuzbass.online/uploads/2020/01/27/b4b0ffdd3.pdf
    • https://jakelese.weebly.com/uploads/1/3/0/3/130379740/gonukekibukan_novoxafezidota.pdf
    • http://parovodyanoy-podogrevatel.ru/uploads/2020/01/27/53fcc665c00.pdf
    • http://culezona.eu/uploads/1/3/0/4/130483923/3f6cd8.pdf
    • http://multistreams.com/uploads/1/3/0/2/130289171/130289171.html#bmw+s1000rr+2018+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000137c.bin
1d4fc70fde1c089dc2e72b4f9a7a4b321b2b5658b33083621587034e970c3015
pdf-font-stream PDF embedded font (sfnt) at offset 0x137C 7112 bytes