Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d7117e5a6517307…

MALICIOUS

PDF

34.4 KB Authoring application: GIMP
MD5: e731ccfa79dd721c51a80c1b2263b127 SHA-1: 7a0f01c179bccf77293834659eba67cb158b262e SHA-256: 6d7117e5a65173075899e92b4b9c021359f88d52b772a1f0af292ff12dfaac6b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The PDF file exhibits characteristics of a link farm, containing a large number of embedded URLs pointing to other PDF documents. This technique is often used for SEO manipulation or to distribute secondary payloads. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or distribution mechanism.

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://stratdef.org/uploads/1/3/0/3/130313265/naxevubiwikitus.pdf
    • http://myhost.torchnet.org/uploads/1/3/0/6/130605115/kavekesufutibup_wurisuputole_sukeka.pdf
    • http://inklingfilms.com/uploads/1/3/0/7/130740212/2541257.pdf
    • http://outdoorautos.com/uploads/1/3/0/2/130289782/4021621.pdf
    • http://zenmewandoudizhu.br3h.com/uploads/1/3/0/5/130539403/vagega.pdf
    • http://ferrona.com/uploads/1/3/0/5/130540083/c69b600.pdf
    • http://hannahyoung.org/uploads/1/3/0/5/130590047/45d195.pdf
    • http://firedupaboutfitness.com/uploads/1/3/0/6/130621853/5185376.pdf
    • http://tannerromleski.com/uploads/1/3/0/6/130621812/59c67fd6.pdf
    • http://onusmaldives.com/uploads/1/3/0/6/130639511/9e164285.pdf
    • http://www.secure.service-netflix.com/uploads/1/3/0/5/130542710/413394.pdf
    • http://rnnext.net/uploads/1/3/0/4/130435500/5227668.pdf
    • http://www.izingelectric.com/uploads/1/3/0/8/130874593/aab4266fca8c7e4.pdf
    • http://diversified-resources.org/uploads/1/3/0/2/130289645/9e87bb8.pdf
    • http://nicolestampsllc.com/uploads/1/3/0/2/130287953/1220738.pdf
    • http://www.3zsbarandgrille.com/uploads/1/3/0/5/130547552/2788149.pdf
    • http://www.normalbodytemperature.co.uk/uploads/1/3/0/3/130313484/datirur.pdf
    • http://stellarosemarywalling.com/uploads/1/3/0/4/130478106/mofufuxarij.pdf
    • http://heisenwholesale.com/uploads/1/3/0/2/130272470/306fbdb.pdf
    • http://sustainguitar.com/uploads/1/3/0/2/130291783/waxarulerakudi.pdf
    • http://aubreyswarriorsfoundation.org/uploads/1/3/0/7/130776425/lazikonafejeso.pdf
    • http://bocaijiqiaoleiwenzhang.br3h.com/uploads/1/3/0/8/130874035/130874035.html#dead+poets+society+full+movie+online+with+subtitles
    • http://cpnmca.mywhc.ca/uploads/1/3/0/7/130776197/8481134.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000025d4.bin
3ca61c60ffe3d03cdb59dd002814f4c2136cf3df6d24861a2b5376c7f1b00ea0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25D4 7852 bytes

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