Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7059029ba2efe42…

MALICIOUS

PDF

81.7 KB Created: 2021-09-10 10:09:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-01
MD5: 133842682733fb6f73b3dbbfd00ee8d2 SHA-1: 80008c6e3365ca918aaf3daec5dfd60450af227c SHA-256: d7059029ba2efe42bdc5f68d79630e9a8b55bd357f187b6aba217824e7e362c0
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://pistant.ru/uplcv?utm_term=lark+player+download+apk PDF link annotation
    • http://okun.su/upload/file/48034163653.pdfIn PDF document text
    • http://footstepfloor.com/upfiles/files/12105017898.pdfIn PDF document text
    • http://hhoasis.org/app/webroot/img/fck/file/25994140028.pdfIn PDF document text
    • http://vino-charlie.cz/userfiles/file/84253507118.pdfIn PDF document text
    • https://kaisar168.com/contents/files/99907151242.pdfIn PDF document text
    • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/001bd2c14a5e6dfa3598890138e2a363/12905364439.pdfIn PDF document text
    • http://moyamoya.center/images/hand_uploaded/files/12539854063.pdfIn PDF document text
    • https://kolbandibileklik.com/resimler/files/jodojifadol.pdfIn PDF document text
    • http://ritadas.in/userfiles/file/39492443370.pdfIn PDF document text
    • http://aotwresort.info/ckfinder/userfiles/files/30967270135.pdfIn PDF document text
    • http://sxnqx.org/upload/file/Fl202109040450499362.pdfIn PDF document text
    • http://galerie45.com/userfiles/file/16580460492.pdfIn PDF document text
    • http://movietek.vn/hinh-anh/files/13729043512.pdfIn PDF document text
    • http://ziconiavip.com/uploadfck/file/89382140802.pdfIn PDF document text
    • http://www.valathors.com/ckfinder/userfiles/files/lokejunaxule.pdfIn PDF document text
    • http://rockbond-aac.com/id-admin/fckImages/file/zevemigifuguwagixajota.pdfIn PDF document text
    • http://interwork.sk/userfiles/file/17211344960.pdfIn PDF document text
    • https://reazfarah.com/ckfinder/userfiles/files/xogug.pdfIn PDF document text
    • http://www.mariabeckmann.com/fotos/uploads/files/50033478163.pdfIn PDF document text
    • http://grgct.com/ckfinder/userfiles/files/sopidaseroni.pdfIn PDF document text
    • http://cayxaotamphan.net/userfiles/image/file/12080791197.pdfIn PDF document text
    • http://pincailight.com/zk/UploadFile/file/2021090604544473499.pdfIn PDF document text
    • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16135131aee08c---65346351998.pdfIn PDF document text
    • https://slotpt2.com/contents/files/bilasir.pdfIn PDF document text
    • 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_off0000d7cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7CD 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000efdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFDF 19168 bytes
SHA-256: 60a76f40f5eaaa05a50eaeaabfef49f968d4db28137a86fb9b2fc013d564264a
font_02_sfnt_off000121d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121D8 10276 bytes
SHA-256: 6c37fbac0993809ed3015fa7e4508dee741fa61586ee500468d5a2f5912ed758

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