Malicious PDF — malware analysis report

Static analysis result for SHA-256 d41d4af4f0fe86e7…

MALICIOUS

PDF

38.5 KB Authoring application: ImageMagick
MD5: 6062c7cd9452e69cff378f04eb25c513 SHA-1: 859a0718ff770ecef5a6c98123fab2bb5f36518b SHA-256: d41d4af4f0fe86e7e9bf30ac9d3dbc282573fadd76eb141531db659f1a999315
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 documents hosted on various domains. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute phishing content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent related to traffic generation or phishing.

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://studiob.agency/uploads/1/3/0/8/130815140/9676893.pdf
    • http://getjackedtrucking.com/uploads/1/3/0/8/130874470/zolore-sejumevukijek-mirew-verulolu.pdf
    • http://whp2015.com/uploads/1/3/0/5/130540159/fozunukefuserigisemi.pdf
    • http://www.pplemacbook12laptop256gb8gbjune2017rosegold.com/uploads/1/3/0/5/130588601/gukojut.pdf
    • http://drlesterleemd.com/uploads/1/3/0/5/130539260/29743f880189b13.pdf
    • http://jmrconstructionandroofing.com/uploads/1/3/0/7/130740572/xemak-dajurutiwad.pdf
    • http://www.mexkiwiwedding.com/uploads/1/3/0/7/130776418/ff7f04268.pdf
    • http://www.rsdesignservice.com/uploads/1/3/0/4/130478203/553915.pdf
    • http://northwestembroidery.net/uploads/1/3/0/4/130435834/4a4a14.pdf
    • http://brigitte-puschmann-studio.com/uploads/1/3/0/6/130604973/febisol.pdf
    • http://cosasdemami.com/uploads/1/3/0/6/130604466/rufatetizi_sumab.pdf
    • http://bestofbothheatingnair.com/uploads/1/3/0/7/130739234/piduz.pdf
    • http://www.akqglobal.com/uploads/1/3/0/6/130605346/vadirog-dewivulun-pawizojosok-jukojawifulaxe.pdf
    • http://carestreamdl.com/uploads/1/3/0/5/130539354/455dd6ce.pdf
    • http://freeflightforever.info/uploads/1/3/0/4/130478004/7312987.pdf
    • http://louisbuffparry.com/uploads/1/3/0/7/130740392/2287419.pdf
    • http://madeinlarioja.com/uploads/1/3/0/4/130483249/wagejisalovajab.pdf
    • http://emgida.com/uploads/1/3/0/3/130379170/4b5596f9140429.pdf
    • http://kumokko.com/uploads/1/3/0/6/130639143/68068e02.pdf
    • http://populationhealthwebcasts.com/uploads/1/3/0/2/130270946/0e816a4.pdf
    • http://kyle4style.com/uploads/1/3/0/4/130488401/vewezi.pdf
    • http://adsl-63-204-18-32.benefitplans.org/uploads/1/3/0/5/130589444/130589444.html#does+eosinophilic+esophagitis+cause+coughing

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036a3.bin
5dbccce3ccef40bd7edcbc01c51343a28e10f7175763bf08dd5190483b742300		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36A3 7548 bytes

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