Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ec48b09b73bdac9…

MALICIOUS

PDF

42.2 KB Authoring application: Serif PagePlus
MD5: 29b4cfbb318514eccc156345028bd8a7 SHA-1: d7dc964a9202d8f1fdb23c35e004e1e790b9f7b6 SHA-256: 9ec48b09b73bdac996f76e456768f42af1dddcbaf1d71009bf91f9f8f3ffa35b
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links to other PDF files hosted on 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' and the ML classifier strongly suggest malicious intent. No scripts were extracted, and the document body was heavily truncated and contained mostly garbage data, making it difficult to ascertain a specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://jballsy.com/uploads/1/3/0/6/130639656/6679241.pdf
    • http://manshipnews.com/uploads/1/3/0/7/130739582/fimunaralupew_lutupuxajesumun_xovujobesawezi.pdf
    • http://thesockingdead.com/uploads/1/3/0/3/130323360/zoton.pdf
    • http://rogerofmidgard.com/uploads/1/3/0/6/130604720/dinigap.pdf
    • http://coldstreamsweetsandtreats.com/uploads/1/3/0/5/130551303/4527703.pdf
    • http://spinningred.com/uploads/1/3/0/7/130740129/kapezibomom.pdf
    • http://oppenheimerindustries.com/uploads/1/3/0/6/130621938/vuvogixim_xaleguxelig_likizaveguwije_zirejuzu.pdf
    • http://countryandtown.mobi/uploads/1/3/0/2/130273571/giwalabubuxuwap.pdf
    • http://stlouistriathlon.com/uploads/1/3/0/5/130550714/dutukaja.pdf
    • http://tea-and-qi.com/uploads/1/3/0/7/130775939/9491424.pdf
    • http://dazzlingweddingsandevents.com/uploads/1/3/0/3/130323235/7b608523b5d.pdf
    • http://www.ccbtrustyourbuddy.net/uploads/1/3/0/2/130288552/jixek.pdf
    • http://michiganfolkschool.org/uploads/1/3/0/3/130312953/gisoxed.pdf
    • http://agorabarcelona.org/uploads/1/3/0/4/130476471/natatuxuk-rajix.pdf
    • http://louisegent.com/uploads/1/3/0/6/130605203/figom.pdf
    • http://beautibybrownie.com/uploads/1/3/0/4/130435524/a40e9a87d5299.pdf
    • http://myautosaver.com/uploads/1/3/0/5/130541208/famexoko_tetixidikot_mupagojipoz_kizalovodub.pdf
    • http://azbikenhike.com/uploads/1/3/0/5/130544387/8890438.pdf
    • http://microtiasurgery.net/uploads/1/3/0/2/130270792/bavuvafori-tawipunadetabaj.pdf
    • http://spinstersguidetodating.com/uploads/1/3/0/6/130604597/wunidone.pdf
    • http://silverbulletgunworks.com/uploads/1/3/0/6/130620945/0a73937e498374.pdf
    • http://www.ooshguy.com/uploads/1/3/0/7/130776241/rubobefajozepobube.pdf
    • http://nom-vula.com/uploads/1/3/0/6/130621298/8777673.pdf
    • http://northshorepersonalcoaching.sydney/uploads/1/3/0/7/130738708/8ccc40.pdf
    • http://wcd-ont9trwo.mgh-r.ch/uploads/1/3/0/5/130588944/130588944.html#7+month+old+feeding+schedule+australia

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000434c.bin
6c1e5ceca8cb1bdd66f1bcbba447f378d2aa5fbeb942d5cf071cbc2b70326764		 pdf-font-stream PDF embedded font (sfnt) at offset 0x434C 7340 bytes

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