Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6484897ea5b14d5…

MALICIOUS

PDF

122.6 KB Created: 2021-07-14 03:13:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: a7465370d3e9396dffda8b48568cb3f3 SHA-1: 32b23e4317cf8b306f38847ea756a6fb7fdb1fb2 SHA-256: f6484897ea5b14d52a20ae3b5ed1bdf2b39c2cc258bf087806ceae8a5b33ee52
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, pointing to multiple compromised websites, likely to lure users into downloading further malicious content or submitting sensitive information. The presence of numerous URLs hosted on potentially compromised CMS uploads reinforces this phishing and distribution vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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 http://islandpointfl.com/userimages/zonupesakagerobamis.pdf In PDF document text
    • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/43093125759.pdfIn PDF document text
    • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c97e1dbf84---wewerubojeko.pdfIn PDF document text
    • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098b32fc75fa---63453259638.pdfIn PDF document text
    • https://avayemehr-carpet.ir/data/file/zuwuvunetotokova.pdfIn PDF document text
    • http://extracam.es/app/webroot/arxius/file/tadazixuwulewureduba.pdfIn PDF document text
    • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/d9ec1502396ddb681b13c3b113685e9d/mufixabodivexugozugibeker.pdfIn PDF document text
    • https://progin.swiss/ckfinder/userfiles/files/fijadaverag.pdfIn PDF document text
    • http://qianlong99.org/ckfinder/userfiles/files/totigejedopetefatibed.pdfIn PDF document text
    • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/4256c3f579d3c67396b52d9cf0edecf1/neloparipenoxiramivap.pdfIn PDF document text
    • http://prociweb.hu/sites/files/file/pawofokeril.pdfIn PDF document text
    • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4c390f749---bapejuw.pdfIn PDF document text
    • http://eyupsifalibitkiler.com/resimler/files/xilapetalerutoja.pdfIn PDF document text
    • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/sibuj.pdfIn PDF document text
    • http://www.lugashotel.com/data/editorfile/20736229391.pdfIn PDF document text
    • http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/69278388448.pdfIn PDF document text
    • http://bioscipublisher.com/files/upfiles/file/parudefifalimujurala.pdfIn PDF document text
    • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/e5c6faae6d9658185fd16476852731fe/42902091470.pdfIn PDF document text
    • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/93471850327.pdfIn PDF document text
    • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b80bbdc19c5---4783143436.pdfIn PDF document text
    • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfc64dfd1f---53634214843.pdfIn PDF document text
    • http://asdgolfclubtoscana.com/writable/public/userfiles/file/14379528202.pdfIn PDF document text
    • http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/4025561845.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=six+stage+plot+structurePDF 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_off00017d66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17D66 10724 bytes
SHA-256: 221d973cc2a6fbb590c62537a93a8292123bce95dc2c166373298aa79c08d8e8
font_01_sfnt_off00019627.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19627 17416 bytes
SHA-256: 84ed9caab4392d762c4f99bc5d83ddf6fcf07bf62afd0204cb8bc657fdf79ee7
font_02_sfnt_off0001c388.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C388 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1