Malicious PDF — malware analysis report

Static analysis result for SHA-256 93ddae2ccdc56156…

MALICIOUS

PDF

42.3 KB Authoring application: OpenOffice.org
MD5: 79dc883c46cb3ea5c468911443942ac4 SHA-1: f7efa6f32df48b4f77216777b10a1fb58bf05255 SHA-256: 93ddae2ccdc56156378fd405b018539fc7e8d5a7015c3a07c3ca172a9eb8d225
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files across various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. No scripts were extracted from this sample, and the document body contained mostly unreadable content.

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://tagmasters.us/uploads/1/3/0/6/130639779/joliwozavepedakojoj.pdf
    • http://ezekius.net/uploads/1/3/0/2/130272976/fofosulo.pdf
    • http://calvin-pearson.com/uploads/1/3/0/6/130604161/guzabix.pdf
    • http://soundcityreading.com/uploads/1/3/0/3/130313755/5240231.pdf
    • http://ecdems.us/uploads/1/3/0/2/130270987/jovewoje-vumiwojubalex-sumaxupuk.pdf
    • http://nuenlist-holzkunst.ch/uploads/1/3/0/7/130776656/1449376.pdf
    • http://elizabethallick.com/uploads/1/3/0/6/130621038/2835108.pdf
    • http://www.bravocare24.com/uploads/1/3/0/6/130622092/xabinanotaj-dikadugetax-dajomilebixino-wemugunarusas.pdf
    • http://monsoonal.com/uploads/1/3/0/7/130776279/levoruzifaxot_woboduremeru.pdf
    • http://www.darbyness.com/uploads/1/3/0/7/130776519/12c5a868.pdf
    • http://teachingcharacter.net/uploads/1/3/0/4/130435959/valemetaw.pdf
    • http://sdgplanning.com/uploads/1/3/0/6/130639467/12985c.pdf
    • http://aliendeduction.com/uploads/1/3/0/8/130814209/74018209e.pdf
    • http://theoaktreepreschool.com/uploads/1/3/0/8/130813094/maxijo.pdf
    • http://realfamilycamping.com/uploads/1/3/0/5/130588280/figususuriwe.pdf
    • http://sunkenmine.com/uploads/1/3/0/4/130476129/6082b8.pdf
    • http://superiorautomi.com/uploads/1/3/0/8/130813320/9593793.pdf
    • http://bnanotech.com/uploads/1/3/0/6/130620808/9559876.pdf
    • http://theresalwaysroomforjazzhands.com/uploads/1/3/0/6/130620964/gujul_jegemotapusut.pdf
    • http://mastercreatorsadventureretreat.com/uploads/1/3/0/8/130813604/9228051.pdf
    • http://muzoemeralds.net/uploads/1/3/0/6/130604815/9e4435be0.pdf
    • http://creativitycoaching.co.uk/uploads/1/3/0/2/130288399/5106742.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ee6.bin
9c737199181253557950dc73987742ecca09bd177386157b31150456b6545d9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EE6 8012 bytes

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