Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c937060912e94aa…

MALICIOUS

PDF

47.4 KB Authoring application: Smallpdf Desktop First seen: 2020-09-07
MD5: e2b5c84c0e70e555864c2058128e0a77 SHA-1: 281a35928e5e4fc925c91e0372314400a84f8185 SHA-256: 7c937060912e94aa4fd0d34b9dfc7c369be384da30f2a16506bde249e6a46aad
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass external link farm, with 31 links pointing to other PDFs hosted on various domains. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The embedded URLs suggest a campaign to redirect users to further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://myrole.tech/uploads/1/3/0/4/130435872/gebogewuzopibujukoj.pdf In PDF document text
    • http://masterrepairplumbing.org/uploads/1/3/0/3/130324152/wexuvagotavomok.pdfIn PDF document text
    • http://mx.owlhavenfarm.com/uploads/1/3/0/2/130289238/fesuxupoliginime.pdfIn PDF document text
    • http://morjana.net/uploads/1/3/0/5/130551775/bexopafu.pdfIn PDF document text
    • http://myreflectionjournel.com/uploads/1/3/0/8/130874633/kixivezow-sititivewa.pdfIn PDF document text
    • http://driftroot.com/uploads/1/3/0/6/130639476/zefevanogidot.pdfIn PDF document text
    • http://mindvibelife.com/uploads/1/3/0/5/130543472/58505582efb2b32.pdfIn PDF document text
    • http://webdisk.beechwoodproductions.ca/uploads/1/3/0/7/130776300/22b76695.pdfIn PDF document text
    • http://myronwolmandesigns.com/uploads/1/3/0/3/130323159/7200509.pdfIn PDF document text
    • http://nelsonmassage.com/uploads/1/3/0/5/130539090/waxokan.pdfIn PDF document text
    • http://theintuitivepath.org/uploads/1/3/0/7/130740110/3364938.pdfIn PDF document text
    • http://unitedcraftgrowers.com/uploads/1/3/0/3/130313063/woxabetabakimi_tuganoru_zesukolugiwavu_bupixirerokotej.pdfIn PDF document text
    • http://coachchrismahan.net/uploads/1/3/0/7/130739510/95a2a21f42.pdfIn PDF document text
    • http://555consulting.com/uploads/1/3/0/5/130550949/lutemazizaguv.pdfIn PDF document text
    • http://bigbsbarandgrill.com/uploads/1/3/0/5/130540405/1167018.pdfIn PDF document text
    • http://mindcraftcoach.com/uploads/1/3/0/7/130776539/lonizuxeni.pdfIn PDF document text
    • http://ministrycoordinator.net/uploads/1/3/0/4/130489398/lixufido.pdfIn PDF document text
    • http://cartiercouturee.com/uploads/1/3/0/4/130488415/gewusevepefes_bolapinadobavi_warizepaboju_dikev.pdfIn PDF document text
    • http://mhtdbtest4739.com/uploads/1/3/0/5/130551423/04b3b7ced1cb04.pdfIn PDF document text
    • http://webmail.t2troubleshooting.com/uploads/1/3/0/2/130288757/130288757.html#famous+rock+guitar+riffs+and+solosIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A06 8408 bytes
SHA-256: 78aec78dae8b0ad30a2add6261c22656d11dfd89f1432a0274abb33ae2751fc4

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