Malicious PDF — malware analysis report

Static analysis result for SHA-256 6011f2d2b3c8b0c7…

MALICIOUS

PDF

33.3 KB Authoring application: Serif PagePlus
MD5: 17cef6632ad4c82eb05e01f962481fec SHA-1: 19c19623068d2abe4d863191e2d3313719408210 SHA-256: 6011f2d2b3c8b0c770d8266ab426f1e9964158cc6b350a4fb622a696abb8645c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a mass external link farm with 19 embedded URLs pointing to other PDF files hosted on various domains. This technique is often used for SEO manipulation or to distribute malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as phishing or malware distribution.

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://shopjollygoods.com/uploads/1/3/0/8/130814161/nibedilu.pdf
    • http://mail.impactaquariums.com/uploads/1/3/0/6/130621524/tesibogil_vituw_dopanobijibo.pdf
    • http://rochester-santa.com/uploads/1/3/0/2/130289161/166b5c88ed273d0.pdf
    • http://www.yourroyaloccasions.com/uploads/1/3/0/3/130323723/6471479.pdf
    • http://bannerch.org.tw/uploads/1/3/0/7/130776661/saxogebolagokizoduw.pdf
    • http://phdla.net/uploads/1/3/0/6/130639348/liforufe.pdf
    • http://shermansmallengines.com/uploads/1/3/0/4/130489539/6604640.pdf
    • http://kokopellikikosandpackgoats.com/uploads/1/3/0/3/130323513/kefuj-korogexagirexe-zabifuwok-xasaxamedegonas.pdf
    • http://bellinghamweekly.org/uploads/1/3/0/6/130605475/cc05bb646f2cb1.pdf
    • http://mail.villagevetpa.net/uploads/1/3/0/3/130313489/vulelubigawut.pdf
    • http://anusaf.com/uploads/1/3/0/2/130287548/nezapaxejevubirifir.pdf
    • http://bamaagents.com/uploads/1/3/0/5/130589189/jusox_fevozewefi_fakok_rapodaladodop.pdf
    • http://centuryhospitalitygroup.com/uploads/1/3/0/6/130640194/07924f8b4288.pdf
    • http://gardacidadania.com/uploads/1/3/0/3/130323131/vomenexola_sukojetop_gateru_jomuzokerubel.pdf
    • http://preownedeye.com/uploads/1/3/0/4/130435600/333ccbfd48a3.pdf
    • http://admin.artinnorwich.org.uk/uploads/1/3/0/6/130639085/4926593.pdf
    • http://nw9.me/uploads/1/3/0/3/130379368/bae2064cd9353.pdf
    • http://blitzthetraffickers.com/uploads/1/3/0/6/130639396/vodifeb_fazamugoxu.pdf
    • http://constructiondollarsandsense.net/uploads/1/3/0/7/130740118/60a69918b60f2be.pdf
    • http://a1lift.org/uploads/1/3/0/2/130291030/130291030.html#pancreatic+cyst+guidelines+2012

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000236c.bin
1bf82197722d3c0ca0b3e1794cc79eedc207b04a676cb578faf0e7ed728f41a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x236C 7824 bytes

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