Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e3983ae6040e33…

MALICIOUS

PDF

101.2 KB Created: 2021-07-25 19:35:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: be634a1d16029228ccc566dbdbbf71b7 SHA-1: e68485ade5aca6a4e4afda64ef6490e0c2e03886 SHA-256: 60e3983ae6040e334b43f296425b2701293e652c91671d696704deb4ad25ea44
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malicious content. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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
  • 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://sakkestadbil.no/userfiles/file/90376039027.pdf In PDF document text
    • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/44iog5vliplckmme9a3un90s0v/lodumofuzikakaz.pdfIn PDF document text
    • https://butchercurnow.com/img/shop//contents/20543104440.pdfIn PDF document text
    • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2d4ec3b81---4729064940.pdfIn PDF document text
    • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3cac63e306---sejibavebu.pdfIn PDF document text
    • http://ufnk.fr/app/webroot/files/file/41224793295.pdfIn PDF document text
    • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/6b9e51a8345d7d2809b6c56762fba70e/66717561824.pdfIn PDF document text
    • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/c004ab0a36a928f2d30608e1f918f543/bajifekolapeluxelezif.pdfIn PDF document text
    • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/b2c590bf747569b2733667ca9e8ee8fa/mopazawezisibi.pdfIn PDF document text
    • http://cuacuonnhaxuongbinhduong.com/upload/files/puligewow.pdfIn PDF document text
    • https://sonarmusic.hu/up_image/file/xefigaxosipijanebatekafef.pdfIn PDF document text
    • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/72cd6ff284fc158089dd5d76ab59fa47/wofumojokajar.pdfIn PDF document text
    • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a075fac81d4---27005870354.pdfIn PDF document text
    • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/42533344802.pdfIn PDF document text
    • https://harom.ro/files/file/fotapekenafokefenimev.pdfIn PDF document text
    • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/679418355e535515b7dd5212e23f7948/28404812677.pdfIn PDF document text
    • https://autosaloncenter.com/uploads/files/89864017192.pdfIn PDF document text
    • http://2ds-creations.fr/userfiles/file/dodexoboxopatudawubelu.pdfIn PDF document text
    • http://princeverma.in/uploads/files/91726074224.pdfIn PDF document text
    • https://jodhpurtravels.com/nbloom/fckuploads/file/94162426862.pdfIn PDF document text
    • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/ef90c5bb7684d20c8c142c7fc90659af/bunibijulodawusanid.pdfIn PDF document text
    • https://jbdclothiers.net/emailer/userfiles/file/91220014298.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=que+es+una+protozoarioPDF link annotation
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012650.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12650 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00013e62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13E62 18076 bytes
SHA-256: 85424065b9f5de595a7ed283caa06112925e6bb8ded6c6cdddd94289d9da01ae
font_02_sfnt_off00016ca3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16CA3 10420 bytes
SHA-256: 95cadc13d72e218b613bd7699df1fe493f9ebcc102cd8939fc42ceee194c47fb

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