Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6a76946f05ff324…

MALICIOUS

PDF

37.0 KB Authoring application: Serif PagePlus
MD5: b5031a87289547e61053343065f0ba70 SHA-1: cd0d61e3873039377becadb4552c99a79f6f7d6e SHA-256: d6a76946f05ff324b9b3c25313286a4e6e6658b28e47fd1ee167838fdfbd7262
150 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also flagged this file as malicious, specifically as Pdf.Phishing.TtraffRobotInstall. The embedded URLs likely lead to further malicious content or phishing sites, aiming to trick users into downloading harmful files. No scripts were extracted from this sample.

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 http://milgens.com/uploads/1/3/0/5/130589313/1030567.pdf
    • http://jomajoguso.nix-dns-oldi.info/uploads/2020/01/28/pagasenezalaximun.pdf
    • http://zuziret.nikitpvv74club.ru/uploads/2020/01/28/89e648445fc9d0.pdf
    • https://warajozawuv.weebly.com/uploads/1/3/0/4/130478314/19074bf020729c6.pdf
    • http://scribejar.com/uploads/1/3/0/6/130603688/vebutadaxukulim_jugaduxejesup_dezipibafireg_xokewuxofeduvo.pdf
    • http://bigfootpipeline.com/uploads/1/3/0/3/130379315/4501335.pdf
    • http://nickmosca.com/uploads/1/3/0/4/130488816/e44574454.pdf
    • http://onnellisuuskoulu.net/uploads/1/3/0/4/130476555/masowufadenorut_nefawisuribasum_kurijo_gaxijagufato.pdf
    • http://thestudyhouse.org/uploads/1/3/0/4/130477126/bemukipasikikadom.pdf
    • http://mgkindergarten.weebly.com/uploads/1/3/0/4/130476684/3180484.pdf
    • http://osvaldogiuliani.com/uploads/1/3/0/3/130379307/310c41a1a3b.pdf
    • http://myfish.tw/uploads/1/3/0/6/130604016/24bc7895e.pdf
    • http://cobblestoneconfectionsbakery.net/uploads/1/3/0/4/130477915/8fe2fe.pdf
    • http://channelthestar.com/uploads/1/3/0/2/130289610/4485d0b1d741ad.pdf
    • https://pejetagoj.weebly.com/uploads/1/3/0/2/130288729/dekejer.pdf
    • http://noteworthyatms.net/uploads/1/3/0/5/130590463/lituduk-nevelapi-dawowozugep-megivetev.pdf
    • http://knowledgeoftheword.net/uploads/1/3/0/6/130603743/wegapowat-fijuguripa.pdf
    • http://harmonicspresents.com/uploads/1/3/0/2/130274091/7a4ba6ee70c.pdf
    • http://jatovulu.sultantec.com/uploads/2020/01/29/fukixadegeweme-tidemepun.pdf
    • http://wibom.dk/uploads/1/3/0/6/130604606/lilunamugowit.pdf
    • http://alvarezorganicfarm.com/uploads/1/3/0/6/130603823/2351358.pdf
    • http://stokesed508webpage.com/uploads/1/3/0/3/130323588/130323588.html#word+hizalama+cetveli

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001889.bin
a37c8177b6ebf60906118444de59aad0a14411d24d6395b164a5cfa55f0789d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1889 9364 bytes

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