Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ebbb0d883f7b6a8…

MALICIOUS

PDF

37.6 KB Authoring application: ImageMagick
MD5: 0da6f5ce660cdfd4239293a3026da4db SHA-1: e3b86bd7aaca6976f921d2fcb23c3357d1240c20 SHA-256: 8ebbb0d883f7b6a84044349411330e17cd4df1b95fccc3da357116bad2f8340f
150 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 external PDF documents, a technique often used for SEO spam or to distribute further malicious content. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and a critical heuristic detected a PDF link farm. The ML classifier also strongly indicated maliciousness.

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://jermaineblackwell.com/uploads/1/3/0/5/130550944/delasali-nupexixitu.pdf
    • http://diocesanconvention2018.org/uploads/1/3/0/4/130483285/bibalovimeketuz-pajigapemow-dutudinikepo-muduxotuferu.pdf
    • http://noboysbeauty.com/uploads/1/3/0/4/130483592/4424213.pdf
    • http://plotforsale.net/uploads/1/3/0/7/130738769/minofelif_bizebow_wadezukulune_vosenerikilepi.pdf
    • http://bakeabetterpie.com/uploads/1/3/0/8/130814106/7479328.pdf
    • http://billyjackray.com/uploads/1/3/0/7/130775211/divogiped.pdf
    • http://yctl.org/uploads/1/3/0/5/130588672/7914601.pdf
    • http://nlspartners.com/uploads/1/3/0/6/130621352/mawavodu-nitomonaz-damoxegugaxi.pdf
    • http://rockymountaintoverlandexpo.com/uploads/1/3/0/4/130488779/kodovarujut-deresanaveb.pdf
    • http://mipalmi.com/uploads/1/3/0/7/130775489/birujazowed-penugu.pdf
    • http://undergroundwellness.net/uploads/1/3/0/8/130874146/8883374.pdf
    • http://dieporzellanklinik.de/uploads/1/3/0/8/130813332/7039374.pdf
    • http://mikesfamoussteaksandsubs.com/uploads/1/3/0/3/130324065/girokuzaximidi.pdf
    • http://sugarbearspet.com/uploads/1/3/0/5/130538937/sosusodaxu-nakulujuritun.pdf
    • http://knockaroundllc.com/uploads/1/3/0/6/130604641/7847c363ee.pdf
    • http://theduiskeinn.com/uploads/1/3/0/7/130740264/c87dcf9.pdf
    • http://marinaruss.net/uploads/1/3/0/5/130539763/8259aacbb09c76.pdf
    • http://sheezastatement.com/uploads/1/3/0/4/130435641/28275.pdf
    • http://moringamaster.life/uploads/1/3/0/2/130287942/a574e440208befa.pdf
    • http://cassiescreations.com/uploads/1/3/0/7/130739020/9492000.pdf
    • http://host193.carmichaelnl.com/uploads/1/3/0/2/130289319/130289319.html#agility+training+exercises+for+soccer+players

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003227.bin
e0f8908a691726479d8e853db8ceccd7ca9c17f6b7e97ebf7a74ad0bc5e17348		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3227 8532 bytes

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