Malicious PDF — malware analysis report

Static analysis result for SHA-256 808679c95b46f135…

MALICIOUS

PDF

44.3 KB Authoring application: LibreOffice First seen: 2020-09-24
MD5: fa4287033ede9f8e1361c3bd5e328c92 SHA-1: 8eff60e4eb33fdb72e5a52faaf9a5432d141b8ff SHA-256: 808679c95b46f135df744ad55bf36ff232662bb1c1f94bb6abe90d05c28138f8
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall, and a machine learning classifier also flagged it as malicious. The embedded links likely serve as a distribution mechanism, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://swimleftlabs.com/uploads/1/3/0/7/130775320/7b809f5d.pdf In PDF document text
    • http://allaccessbuildingservices.com/uploads/1/3/0/6/130640159/3829886.pdfIn PDF document text
    • http://oregonnw.net/uploads/1/3/0/6/130605190/9563174.pdfIn PDF document text
    • http://delicacybrigadeiroscraft.com/uploads/1/3/0/4/130489446/292177.pdfIn PDF document text
    • http://hobohandyman.com/uploads/1/3/0/4/130436162/3296653.pdfIn PDF document text
    • http://hostmaster.tasaheel.com/uploads/1/3/0/8/130813765/jewasojuviladev_xivivafufexo.pdfIn PDF document text
    • http://utahdivorceconsulting.com/uploads/1/3/0/8/130815381/b4838188aab68.pdfIn PDF document text
    • http://blackwinghunting.com/uploads/1/3/0/6/130604579/3095655.pdfIn PDF document text
    • http://providencecard.com/uploads/1/3/0/7/130776132/5170198.pdfIn PDF document text
    • http://reicoinvestment.com/uploads/1/3/0/3/130323675/5d0f470fb.pdfIn PDF document text
    • http://provisionmediausa.com/uploads/1/3/0/5/130589137/dubigiw-maxovobilepezav.pdfIn PDF document text
    • http://massagesearchmarketing.com/uploads/1/3/0/8/130874164/9473159.pdfIn PDF document text
    • http://anuqa.net/uploads/1/3/0/4/130490609/5753308.pdfIn PDF document text
    • http://bcdcosmetics.com/uploads/1/3/0/6/130620561/537433.pdfIn PDF document text
    • http://nextgenadvancedsupplements.com/uploads/1/3/0/6/130639272/setofetevu-narediwopenesuv-wepibul.pdfIn PDF document text
    • http://mydispatchers.com/uploads/1/3/0/5/130589163/409000.pdfIn PDF document text
    • http://desatascossantcugat.com/uploads/1/3/0/7/130739488/bagusodadeniguxonuki.pdfIn PDF document text
    • http://drberrycounseling.com/uploads/1/3/0/6/130604844/bupokovesazegos.pdfIn PDF document text
    • http://littlehimsandhers.com/uploads/1/3/0/2/130287221/bekegoko.pdfIn PDF document text
    • http://pavanmehat.com/uploads/1/3/0/5/130551898/c22462babea.pdfIn PDF document text
    • http://neworleansgainswave.org/uploads/1/3/0/2/130289295/3070864.pdfIn PDF document text
    • http://stillmont.com/uploads/1/3/0/5/130551282/8380621.pdfIn PDF document text
    • http://stephaniebright.net/uploads/1/3/0/6/130605314/f0347e.pdfIn PDF document text
    • http://s56ri.bpmtc.com/uploads/1/3/0/5/130541677/130541677.html#diagnostico+accidente+cerebrovascular+pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Related samples 8

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_off000040a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40A9 8772 bytes
SHA-256: 530ba9cfccd072f2f1f4b2e084112b694e441507cf8b2f21dd5094a01ff4b22b
font_01_sfnt_off00005ccf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CCF 2732 bytes
SHA-256: 7863b829de04ea8b7f5be4d5dae43fa62182e7611f0c3a300d10b316d27db496

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