Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd0dc4812a633e3b…

MALICIOUS

PDF

37.7 KB Authoring application: Smallpdf Desktop First seen: 2020-09-07
MD5: 45aad96bbe379829178fefcda991d002 SHA-1: 575e421e65b03456e051c19046243d87983d1ef6 SHA-256: dd0dc4812a633e3b367111385008ffaf3a1ce08f2c57e2088cd4ffd66c0cb122
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external URLs, indicating a link farm likely intended for SEO manipulation or to redirect users to phishing or malware distribution sites. The document body contains text related to ESL conversation questions, which appears to be a lure to disguise the malicious intent.

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://greshamaccidentlawyer.com/uploads/1/3/0/7/130776611/losorudewesise.pdf
    • http://firstnightbaraboo.com/uploads/1/3/0/5/130551057/6e527d7.pdf
    • http://freedomconnectservices.com/uploads/1/3/0/7/130776895/5546521.pdf
    • http://3rdeyefitness.com/uploads/1/3/0/4/130483184/vaxoderivaba.pdf
    • http://newresume2019.com/uploads/1/3/0/3/130323235/neboto-xulilukil-remojeror.pdf
    • http://okpins.net/uploads/1/3/0/3/130313411/roxesaluvu-weboni.pdf
    • http://centerofsacredpassage.com/uploads/1/3/0/2/130289563/f44c1cb6694b627.pdf
    • http://jacobrolandphotography.com/uploads/1/3/0/6/130620917/cc8f579.pdf
    • http://www.refreshhomeorganizing.com/uploads/1/3/0/5/130589216/jigavedak_varenarurekifok_jepazenijavopir.pdf
    • http://wordofthecrossministries.com/uploads/1/3/0/2/130287930/fezirubuwobujebabifu.pdf
    • http://ankletops.com/uploads/1/3/0/2/130274017/227678.pdf
    • http://mta-sts.mail.easternoregonlandscaping.com/uploads/1/3/0/6/130604729/vulefonufegoveka.pdf
    • http://newdaytherapies.com/uploads/1/3/0/2/130289530/wopesavunizotin.pdf
    • http://meritcardmoapp.com/uploads/1/3/0/2/130291676/lesemidemaz.pdf
    • http://www.frescooperatheatre.com/uploads/1/3/0/7/130740069/wosenile.pdf
    • http://divinewillschool.com/uploads/1/3/0/6/130639901/zuvamumuzavot.pdf
    • http://penguinprivateers.com/uploads/1/3/0/2/130287529/3227069.pdf
    • http://mta-sts.mx.lovehandlesllc.com/uploads/1/3/0/9/130969814/vipurobu.pdf
    • http://mutiny-cannabis.com/uploads/1/3/0/6/130620906/6404a633b469.pdf
    • http://fatdotmedia.com/uploads/1/3/0/4/130476462/lilajili.pdf
    • http://taiyangchengjiawangbaosha.br3h.com/uploads/1/3/0/3/130379461/130379461.html#esl+conversation+questions+travel

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032d3.bin
c3bd841da453f1ec50646ab14bc772f4cb9c81f63791d17f98559aa85fd0823e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32D3 8212 bytes

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