Malicious PDF — malware analysis report

Static analysis result for SHA-256 5907f95489526b31…

MALICIOUS

PDF

36.4 KB Authoring application: Poppler-utils
MD5: 1f8fb7fd593ec0a6a859cad7282f61cf SHA-1: 7c054fef80ee9a45c245cce6d665a6def3790524 SHA-256: 5907f95489526b3115210a9addbeec3c49c0f2d117c0b671de5713ac8d34747a
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF document detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of external PDF links, indicating a link farm strategy. The document body contains a mix of academic-related text and the extracted URLs, suggesting a lure to download further content. No scripts were extracted from this sample.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://easybillpro.com/uploads/1/3/0/2/130289375/4215525.pdf
    • http://buysomepixels.com/uploads/1/3/0/8/130814534/7066512.pdf
    • http://www.tryshashby-rolls.com/uploads/1/3/0/2/130272936/safusagedi-pekevosalor-gosaliz.pdf
    • http://mobilebillboardsredwoodcity.com/uploads/1/3/0/7/130739362/063a3a.pdf
    • http://divinomanto.com.br/uploads/1/3/0/5/130539033/3594706.pdf
    • http://mountainforgemedia.com/uploads/1/3/0/6/130640078/zavuba.pdf
    • http://kwasphalt.com/uploads/1/3/0/2/130289658/goxejexotonel_lapipafu_purol.pdf
    • http://newwaveproperties.net/uploads/1/3/0/5/130590400/falorufexexizolupol.pdf
    • http://www.thickchixboutique.com/uploads/1/3/0/7/130776425/dumobiwuz_ritujovowigoxob.pdf
    • http://upperlip.info/uploads/1/3/0/5/130550763/duwit_tipabopa_widokepep_luxam.pdf
    • http://dollartank.net/uploads/1/3/0/2/130289756/zijugete-wagib-gofilovobetubek-nuwuramugaros.pdf
    • http://hakuabakaigi.com/uploads/1/3/0/6/130605346/felupelupefemuza.pdf
    • http://myangeliques.com/uploads/1/3/0/6/130620842/forinalonutekax.pdf
    • http://angelavinson.com/uploads/1/3/0/2/130289681/5437694.pdf
    • http://lakegenevapsychologist.com/uploads/1/3/0/2/130289719/liwivoxujavisatagi.pdf
    • http://itsaboutgiving.org/uploads/1/3/0/7/130740401/3c8f1426e7cf.pdf
    • http://liviace.me/uploads/1/3/0/7/130739656/2507ca2fb6f7.pdf
    • http://sandiegorvparks.com/uploads/1/3/0/4/130483963/9167142.pdf
    • http://nakedpavementbooks.com/uploads/1/3/0/6/130604690/jonezerupovaze_bomonetedik_redovosujujufe_jadefipom.pdf
    • http://birchcraftblades.com/uploads/1/3/0/8/130874240/jeperarelimiwawezove.pdf
    • http://2onrtn.bdgct.com/uploads/1/3/0/9/130969536/130969536.html#digestive+system+notes+for+neet+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e78.bin
b39448d3e99c20ebdf078aa962b0ee4ef15026a85f7e52130e80da10fdbf971f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E78 7812 bytes

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