Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d7c16f1e835e50b…

MALICIOUS

PDF

53.5 KB Authoring application: pdf-parser First seen: 2020-09-24
MD5: da61d74e5a487e89fafa274b4aa60b2c SHA-1: aaafc285fdea90655cb35f83a9d99fb312ef4ad1 SHA-256: 7d7c16f1e835e50baebc8ee781cde145e6ad1268d5d4f2ab6b02de48c00a0994
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier strongly indicate maliciousness, specifically related to phishing. The embedded URLs are likely used to redirect users to malicious sites or to distribute further malware, potentially as part of an SEO poisoning or link farm attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://hostmaster.extreme-food.eu/uploads/1/3/0/3/130323642/1266082.pdf In PDF document text
    • http://newwavecarpetandtile.com/uploads/1/3/0/5/130588806/5563415.pdfIn PDF document text
    • http://windustriesonline.com/uploads/1/3/0/2/130289676/caa4704.pdfIn PDF document text
    • http://michaelsilveyiptec.com/uploads/1/3/0/2/130289550/8492932.pdfIn PDF document text
    • http://beeorzeh.com/uploads/1/3/0/2/130270779/938de579afff24.pdfIn PDF document text
    • http://enkonte.com/uploads/1/3/0/5/130588721/podaz-ratodovugir.pdfIn PDF document text
    • http://snazzydiamonds.com/uploads/1/3/0/6/130620670/1a5a3.pdfIn PDF document text
    • http://turk-ish.com/uploads/1/3/0/4/130483550/mixepel.pdfIn PDF document text
    • http://larunungan.com/uploads/1/3/0/5/130542822/vuxobake.pdfIn PDF document text
    • http://neibaurart.com/uploads/1/3/0/2/130289496/f32b71082bf09.pdfIn PDF document text
    • http://dogsandbubbles.com/uploads/1/3/0/6/130604821/b454d43d93.pdfIn PDF document text
    • http://adsl-63-204-18-25.benefitplans.org/uploads/1/3/0/6/130603860/fuluvame.pdfIn PDF document text
    • http://themoviefangirl.com/uploads/1/3/0/5/130539597/4676318.pdfIn PDF document text
    • http://nissanfigaro.net/uploads/1/3/0/6/130605253/6df2638.pdfIn PDF document text
    • http://taylorsdatingcarehome.com/uploads/1/3/0/5/130589231/gebiwavofekiwo.pdfIn PDF document text
    • http://mydripconnect.com/uploads/1/3/0/8/130813903/6f1f90f6b6c2e2.pdfIn PDF document text
    • http://vineyardshouse.co.uk/uploads/1/3/0/7/130740617/faroxexonepupeguxox.pdfIn PDF document text
    • http://mail.malaikasminicakes.com/uploads/1/3/0/5/130590322/kurorevosib-tigag.pdfIn PDF document text
    • http://minisheepadoodlepuppies.com/uploads/1/3/0/7/130740212/1547d7c8c1ab0.pdfIn PDF document text
    • http://mail.christianlanierlaw.net/uploads/1/3/0/7/130739101/zelotorisise.pdfIn PDF document text
    • http://benbernous.com/uploads/1/3/0/6/130620585/leredakajatuvajatutu.pdfIn PDF document text
    • http://www.goldenehausnummer.com/uploads/1/3/0/6/130640144/kunazaz.pdfIn PDF document text
    • http://kinzerfarms.com/uploads/1/3/0/4/130489132/wiriraruzewolowo.pdfIn PDF document text
    • http://donwilsonkibera.com/uploads/1/3/0/8/130874204/nizakupeduno.pdfIn PDF document text
    • http://piercesullivan.com/uploads/1/3/0/4/130490221/9c656f3f069dc.pdfIn PDF document text
    • http://3ljmr.bpmtc.com/uploads/1/3/0/9/130969332/130969332.html#symptoms+of+epilepsy+in+catsIn PDF document text

Related samples 4

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_off0000113d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113D 7996 bytes
SHA-256: c782ef0b27edbeac0e64eb5133b69fa261797d559cd8e12eeab1cfe62a884cfa

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