Malicious PDF — malware analysis report

Static analysis result for SHA-256 78a5ea0c44e122e3…

MALICIOUS

PDF

45.5 KB Authoring application: PDFBox
MD5: 78b32a314205842982dee0be624b638b SHA-1: de2f2870139b8b71af7002a95ccd0550a5db2f93 SHA-256: 78a5ea0c44e122e3ad0ab82c84b693436a7918aaaf658ab44f15525ed4ae95e1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded URLs pointing to external PDF documents hosted on various domains. The ClamAV detection and ML classifier indicate malicious intent, likely related to phishing or SEO spam. The embedded URLs suggest a tactic to distribute or link to further malicious content, potentially using JavaScript to facilitate redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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 http://mhsdoernbecher.com/uploads/1/3/0/5/130552106/xupirulele.pdf
    • http://bigislandeventrentals.com/uploads/1/3/0/5/130539042/e6ef89.pdf
    • https://gutusugilimaza.weebly.com/uploads/1/3/0/4/130489448/liwatukiko-rovovazuda.pdf
    • http://pepu.lesnayazastava.ru/uploads/2020/01/29/6718608.pdf
    • http://pedahzur.com/uploads/1/3/0/5/130588232/8d6a387.pdf
    • http://zud.asdklo.xyz/uploads/2020/01/28/lilasuwuzisajuki.pdf
    • http://zizu.pennystockpromotions.com/uploads/2020/01/28/pivatu.pdf
    • https://pevexumixo.weebly.com/uploads/1/3/0/2/130291561/f9e2437.pdf
    • http://greecestyle.ru/uploads/2020/01/28/009c9cea8438e.pdf
    • http://theleawoodfamilydentist.com/uploads/1/3/0/6/130622091/borerezigufo.pdf
    • http://jjhomez.com/uploads/1/3/0/6/130621439/6114449.pdf
    • http://dolonlearningresources.com/uploads/1/3/0/6/130621331/757134.pdf
    • http://kmdschool.org/uploads/1/3/0/2/130270924/df3bfdb903.pdf
    • http://apluspharm.net/uploads/1/3/0/6/130605044/6abef60c0.pdf
    • http://robsvirtualretirement.com/uploads/1/3/0/4/130488387/jinarazomi.pdf
    • http://fenus.samsunggroup.ru/uploads/2020/01/29/c201ebeb2f.pdf
    • http://kufafoma.50lutions.net/uploads/2020/01/28/5498901.pdf
    • http://ncmodern.com/uploads/1/3/0/6/130640006/3729d32.pdf
    • http://nasafas.wpchoice.net/uploads/2020/01/28/507d56d.pdf
    • https://damikefuzaboju.weebly.com/uploads/1/3/0/2/130272856/tekoferamutenakedu.pdf
    • https://tusimuruso.weebly.com/uploads/1/3/0/4/130488851/vebozomulilabe-mimidov-zamupusidadotu.pdf
    • https://tazudexe.weebly.com/uploads/1/3/0/4/130476447/famipazavupuwafurora.pdf
    • https://volepogopomara.weebly.com/uploads/1/3/0/4/130489536/6474613.pdf
    • http://dat.rennessans.com/uploads/2020/01/28/kugedijawusazuzex.pdf
    • http://chewoncakes.com/uploads/1/3/0/2/130289296/130289296.html#osh+act+1970+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000169f.bin
bd7b96cb98c1f14c79f58aa48f3f6676d920a217f99df896ec6313f6908c2750		 pdf-font-stream PDF embedded font (sfnt) at offset 0x169F 8004 bytes

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