Malicious PDF — malware analysis report

Static analysis result for SHA-256 b14c3d038cd0b922…

MALICIOUS

PDF

41.2 KB Authoring application: QPDF
MD5: 5b6be250fca4bd98408250b6d5892543 SHA-1: 137b7bf2df240d01e7607dcaaea0cea9a5e6f228 SHA-256: b14c3d038cd0b922b2d17ab1d094b4096f3514289f116bea43d1950fa6d2b788
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a link farm, pointing to other PDF files on various domains. This is a common technique for phishing or distributing further malware. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://usedcarsfortrade.com/uploads/1/3/0/2/130289166/tadopetiteloweg.pdf
    • http://desatascosbarcelona.net/uploads/1/3/0/5/130588850/nabasuro-ziterejunozag-xoveluluva-maditofodipelu.pdf
    • http://artekcm.com/uploads/1/3/0/4/130494059/balilax-webadalo-wupolukojofem-rugorumel.pdf
    • http://1homerepairteam.com/uploads/1/3/0/3/130313114/6058193.pdf
    • http://yoursitesugly.com/uploads/1/3/0/7/130739887/2241113.pdf
    • http://mta-sts.australiande.com/uploads/1/3/0/7/130738631/devite_xugonana_terenijovoguri_jexagi.pdf
    • http://ashlandkitchenevents.com/uploads/1/3/0/2/130270934/6059726.pdf
    • http://myelegancejewelryaccessories.com/uploads/1/3/0/3/130323271/gugerarovunupizepako.pdf
    • http://neonserwis.pl/uploads/1/3/0/4/130435746/6086731.pdf
    • http://curedby.net/uploads/1/3/0/6/130621248/kefezuz_farujodix_siwiniji.pdf
    • http://www.skipworthinsurance.com/uploads/1/3/0/4/130483260/silixumedu_bijig.pdf
    • http://camioncubabarcelona.com/uploads/1/3/0/5/130588672/2098143.pdf
    • http://phoenixatlbsa.com/uploads/1/3/0/6/130620486/vekiv.pdf
    • http://allaccessbuildingservices.com/uploads/1/3/0/6/130621651/sojile-fititiparoru-kurepapugutix-modelosixezuz.pdf
    • http://vertontravelservices.com/uploads/1/3/0/7/130740610/2312417.pdf
    • http://khurshidanwar.com/uploads/1/3/0/6/130639744/lenozulipafalime.pdf
    • http://carlyberg.com/uploads/1/3/0/2/130289658/473666.pdf
    • http://pepay.host/uploads/1/3/0/2/130270911/samifafawifugeg-telugotoretili-gobudelo-sifom.pdf
    • http://rvisions.net/uploads/1/3/0/2/130274371/sixomugavuxa.pdf
    • http://customerwise.co/uploads/1/3/0/6/130620549/xakowi.pdf
    • http://rayannchildcare.com/uploads/1/3/0/2/130274097/7982706.pdf
    • http://sebastianfelipe.com/uploads/1/3/0/3/130312920/posebaj.pdf
    • http://researchsurf.org/uploads/1/3/0/5/130544447/zovoj.pdf
    • http://robinjoyphotography.net/uploads/1/3/0/6/130620916/paliwogititu-lalikaregobu-bitozotijaza.pdf
    • http://www.saratogaad.com/uploads/1/3/0/4/130483830/130483830.html#python+algorithm+for+heap+sort
    • http://www.skipworthinsurance.com/uploads/1/3/0/4/130483260/silixumedu_bij

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a70.bin
6bdafc59d3f55d198d272d19442eae02ee2c53bb877a72150e58125b803094e7
pdf-font-stream PDF embedded font (sfnt) at offset 0x3A70 8916 bytes