Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5d7469ce00d6cf9…

MALICIOUS

PDF

50.7 KB Authoring application: Serif PagePlus
MD5: 1a3b74b036825e9b2972326867f9864d SHA-1: 0aef8195426bdfe6aff60ae0aa2f0522555ed4a9 SHA-256: f5d7469ce00d6cf996af3045bf4152eddadc50e16adad594c08117eb7973cb06
160 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, with the primary one pointing to a suspicious domain. The heuristic 'SE_MFA_LURE' indicates the document's content is designed to trick users into providing sensitive information like one-time codes or MFA approvals. This suggests a phishing attack aimed at credential harvesting or session hijacking. No scripts were extracted, limiting the analysis of direct payload execution.

Heuristics 4

  • 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
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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://zuzonu.audiostart78.icu/uploads/2020/01/29/lubowaxagarali-xuruk-zoruf-wisejenalerew.pdf
    • https://sasurejojutim.weebly.com/uploads/1/3/0/2/130270974/fexova.pdf
    • http://alyssapack.com/uploads/1/3/0/6/130604466/646353.pdf
    • http://cocominksstore.com/uploads/1/3/0/5/130539203/vezovepumotovixomeso.pdf
    • http://lamosproductions.org/uploads/1/3/0/6/130621997/6979319.pdf
    • http://zudimuwep.7artllc.com/uploads/2020/01/28/f18786150fe.pdf
    • http://highchance.top/uploads/2020/01/28/1907888.pdf
    • http://joescottportfolio.com/uploads/1/3/0/3/130324191/9880a3af04c202e.pdf
    • http://viwiroz.atrilmedia.com/uploads/2020/01/27/1289673.pdf
    • https://wotomumotegiko.weebly.com/uploads/1/3/0/6/130604519/4b68e37de00.pdf
    • http://topsales24.ru/uploads/2020/01/28/siwixizijopetag-durasofobejize-fabiroti.pdf
    • http://chayachef.com/uploads/1/3/0/5/130544072/bafapu.pdf
    • http://pup.lebosma.ru/uploads/2020/01/28/d6a6bb36a.pdf
    • https://wujusazagejum.weebly.com/uploads/1/3/0/2/130287428/8e928dbd91.pdf
    • http://ledudo.savich.pro/uploads/2020/01/27/vufokuzanak_fonudefimetolob_kewepesuketuw.pdf
    • http://ccpstl.org/uploads/1/3/0/5/130588257/b752472.pdf
    • http://kixep.paytosite.icu/uploads/2020/01/27/vonowa_wulujilulefe_ziduzakivosuk.pdf
    • http://evokefitness.net/uploads/1/3/0/2/130287842/130287842.html#gate+form+2020+candidate+login

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012d3.bin
c610e87cbe5b37c7a6cd7ecb357dc4ad9bdf3f28a8cd164770ddc0a87595d01d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12D3 9092 bytes
font_01_sfnt_off000080cc.bin
5d7ebd720715cd86529581f1d40cc643f68465477bd430d4be5ff736bc95f798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80CC 16268 bytes

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