Malicious PDF — malware analysis report

Static analysis result for SHA-256 d08d851944b15502…

MALICIOUS

PDF

80.1 KB Created: 2021-02-28 01:05:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e7a0a7dce26cf99a837b918eaf52f8d SHA-1: 5ebd1ee6dae2fe97a63181969c1f2abbefe43348 SHA-256: d08d851944b15502ef4b85de5920412c0209614010bc84dffbe880de402739d3
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a website offering a 'free round robin tournament bracket generator'. This is a common lure for phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the presence of external URIs suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://lozipotod.ru/wix?keyword=free+round+robin+tournament+bracket+generator
    • http://domainlimax.xyz/allworx_6x12_manualx860s.pdf
    • http://kwini-fini.online/sipukavesuwakis9y4t.pdf
    • https://cdn-cms.f-static.net/uploads/4379241/normal_60328a0b41cd4.pdf
    • https://cdn-cms.f-static.net/uploads/4422643/normal_5fdc268f30203.pdf
    • https://cdn-cms.f-static.net/uploads/4387932/normal_5fdc3558591f9.pdf
    • https://static.s123-cdn-static.com/uploads/4490122/normal_6000c1a3e951e.pdf
    • http://lefakumal.iblogger.org/29986332387.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://dojidusajotat.epizy.com/job_analysis_sample_report.pdf
    • https://s3.amazonaws.com/zunaporam/42619822159.pdf
    • https://s3.amazonaws.com/dutuzanob/norurezubekutuwipopefas.pdf
    • http://waromewozepivo.rf.gd/52039005550.pdf
    • http://vuwejamadadodi.epizy.com/98231727710.pdf
    • https://s3.amazonaws.com/gozifep/power_rangers_theme_music.pdf
    • https://s3.amazonaws.com/tazopaju/bafesevivexazijimazala.pdf
    • http://gusepegap.rf.gd/vizupijutamenuti.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc23.bin
a907f1ab978aaa115c9d9efa2842e134dcd6799996c97497198fc0ec498571d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC23 5208 bytes
font_01_sfnt_off00010dcd.bin
aaa06674ab67785083a7390badf8ecd4e0efead8b778e22bc5d99a9b5a797207		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10DCD 10812 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.