Malicious PDF — malware analysis report

Static analysis result for SHA-256 447567041c15c284…

MALICIOUS

PDF

63.8 KB Created: 2021-09-12 01:28:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 57788ede2ef5ef9b238867a5d4daddf3 SHA-1: 7b904703d251b107284cd5d8732869c227f75d63 SHA-256: 447567041c15c284d87c715f0985f7da46903b4d38c8d7aaf6721ce2bb57cf31
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are part of a link farm, suggesting an attempt to redirect users to potentially harmful sites. The presence of 'utm_term' parameters in some URLs indicates a tracking or phishing lure, likely related to the 'nba 2k18 mobile apk' search term.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9212

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://solis.altrodesign.eu/ckfinder/userfiles/files/xusegakojokozufugutetube.pdf In PDF document text
    • http://abwmercury.com/uploads/files/34705202873.pdfIn PDF document text
    • http://alda.pl/ckfinder/userfiles/files/6849991841.pdfIn PDF document text
    • http://tai-group.com/upload/files/94624008886.pdfIn PDF document text
    • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/94790643080.pdfIn PDF document text
    • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c51aff237d---90808626060.pdfIn PDF document text
    • https://beldapin.com/calisma2/files/uploads/zutimewixuwupigonivoxu.pdfIn PDF document text
    • http://fukaofoods.tw/uploads/files/202109120035055012.pdfIn PDF document text
    • http://teusz.pl/UserFiles/file/tokefoloxupafala.pdfIn PDF document text
    • https://mjrspot.com/fckimages/file/nosizobupapikirom.pdfIn PDF document text
    • http://kingswaytyres.com/project/kingsway/uploads/file/33572576385.pdfIn PDF document text
    • http://www.hebrewforreadingcomprehension.com/content/42087602042.pdfIn PDF document text
    • http://zhongjiukeji.com/upload_fck/file/2021-9-11/20210911205452290319.pdfIn PDF document text
    • http://psychologkmalinowska.pl/ckfinder/userfiles/files/lawoduwodusuluji.pdfIn PDF document text
    • http://omni-links-europe.com/images/blog/file/97590457483.pdfIn PDF document text
    • https://eastoncn.housemember.com/uploads/files/jaxajupiserol.pdfIn PDF document text
    • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eec5d4005a---99299241254.pdfIn PDF document text
    • https://gymlesgeants.com/upload/editor/file/wurisam.pdfIn PDF document text
    • http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/60151220111.pdfIn PDF document text
    • https://datatalk.ilvzhou.com/upload/files/2021/09/202109061716312632.pdfIn PDF document text
    • https://tanhaithanhvalves.com/quangcao/admin/file/wigukizakeravokiloleziv.pdfIn PDF document text
    • http://www.europesolidaire.eu/userfiles/files/35650113216.pdfIn PDF document text
    • http://thecargonepal.com/userfiles/file/powagenalenoxefimexefo.pdfIn PDF document text
    • http://lovesenergy.com/file/57008147561.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=nba+2k18+mobile+apkPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c981.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC981 17428 bytes
SHA-256: 392b196345b4142ce53d4e3f83116ef541285963ed12a25f953b748416944fa1

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