Malicious PDF — malware analysis report

Static analysis result for SHA-256 7932279f324aa4c9…

MALICIOUS

PDF

70.8 KB Created: 2021-10-01 02:55:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 497fc1319207ced4bbf20bfda8b130e8 SHA-1: 08aae7677b8054d8c403322bcad9505904ce968f SHA-256: 7932279f324aa4c98dee1bd37df2d8c94400f43a3dae416267267489ba3ff5b7
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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
  • 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://reha.bg/content/upload/file/fisifetuwimu.pdf In PDF document text
    • https://www.tristar-technology.com/ckfinder/userfiles/files/2201227898.pdfIn PDF document text
    • http://museodegliarazzimarsala.com/userfiles/files/81148203074.pdfIn PDF document text
    • http://brezov-gaj.si/uporabnik/file/51186396626.pdfIn PDF document text
    • https://www.paseppe.gr/ckfinder/userfiles/files/durifadidegomegexoxar.pdfIn PDF document text
    • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdb1d8d080---disinozakekubegejid.pdfIn PDF document text
    • https://clubselect.ro/ckfinder/userfiles/files/77274645538.pdfIn PDF document text
    • https://asztromiskolc.hu/ckfinder/userfiles/files/sapumofevisokalusurimod.pdfIn PDF document text
    • https://bonekarusa.com/contents/files/41991644714.pdfIn PDF document text
    • https://bodykneadstherapy.com.au/ckfinder/userfiles/files/wigovafomuzunezuligep.pdfIn PDF document text
    • http://influences-vegetales.eu/assets/Image/files/gixodafive.pdfIn PDF document text
    • http://www.musicboxpiano.com/contentfiles/danefibopewibu.pdfIn PDF document text
    • http://xn----7sbjvweekof5d.xn--p1ai/files/files/30203201002.pdfIn PDF document text
    • http://tidomusica.com/uploads/files/202109201255487483.pdfIn PDF document text
    • https://wonkingchina.com/d/files/tiloritej.pdfIn PDF document text
    • http://rmgoals.com/userfiles/files/ronowuwira.pdfIn PDF document text
    • http://streetnn.ru/data/upload/ck/files/93510526671.pdfIn PDF document text
    • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130790909c1b---9431217315.pdfIn PDF document text
    • http://caudafotografia.com/userfiles/files/vomixipimalamiguxolesonar.pdfIn PDF document text
    • https://watfordfairtrade.org/app/webroot/img/files/65088668692.pdfIn PDF document text
    • http://pawsandtiaras.com/ckfinder/userfiles/files/93155930345.pdfIn PDF document text
    • https://kabelkyaobuv.sk/editor_uploads/files/wevokobosidadovulerebezu.pdfIn PDF document text
    • http://finemetal-cn.com/upload/files/87265254691.pdfIn PDF document text
    • http://tatvideo.ru/ckfinder/userfiles/files/nuxodijodup.pdfIn PDF document text
    • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613862c184ad0---nujomokis.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=y+words+that+describe+someonePDF 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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b526.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB526 10796 bytes
SHA-256: dc07ebdf0f26f1c215fcbacdd50de38ad8da7f40df062bee6d643ada1e765bab
font_01_sfnt_off0000cde3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDE3 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e5f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5F5 15500 bytes
SHA-256: 76df83e31688166354c9124b9311b7ee45cebb34bc58e9fd51ca09c4ac321c0f