Malicious PDF — malware analysis report

Static analysis result for SHA-256 1294ef24ea8b18dd…

MALICIOUS

PDF

108.3 KB Created: 2021-06-30 23:53:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 11750395981d7124faea1c1ca65f4e7f SHA-1: 43fa6ab88b02060a8314d31080db80ee1f81e0de SHA-256: 1294ef24ea8b18dd4e3c3f88a2fdd15782d3a622a14aaa5a771aacf645978ce9
156 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress upload storage locations and disposable hosting sites. These links likely lead to phishing pages or further malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9921

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://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/e5e3eeffcc4c9392064cd4f07353347b/winenexixusiforedojorolu.pdf In PDF document text
    • http://zhuoer.ltd/userfiles/file/ruvepawejojo.pdfIn PDF document text
    • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607034d69d4b9---62111519705.pdfIn PDF document text
    • http://bi-acaovo.com/upload/files/38540655253.pdfIn PDF document text
    • http://doo-san.com/userfiles/file/20210523221202.pdfIn PDF document text
    • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16088a01f2a820---76596781250.pdfIn PDF document text
    • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/posn3sqibno4sechn5l8vp1ab2/71505921510.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2895ddc85---xokik.pdfIn PDF document text
    • https://bursac.net/userfiles/file/repevajo.pdfIn PDF document text
    • https://vildmarksjagt.dk/userfiles/file/19580390288.pdfIn PDF document text
    • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c1ed4e852---bekimabupes.pdfIn PDF document text
    • http://jagodkaprzedszkole.pl/userfiles/file/jirulitigafanalelugot.pdfIn PDF document text
    • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/b1253ec06c2b58d2a7b2658072996b56/nopivedalawozexodigevimib.pdfIn PDF document text
    • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/cb88f1b73a5cc7d762ae15e2ad98abbb/dogagogirudenafa.pdfIn PDF document text
    • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/7tei7d7cf3os21vm039ncnn6g6/92518801021.pdfIn PDF document text
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/c0c133ae6d602a9b677047155d7abdfe/dobosisotisavo.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b12e272cd---vobowetujigesipebadolomik.pdfIn PDF document text
    • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608042ffb33e9---81603036550.pdfIn PDF document text
    • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/tkv4s67tkhq1emhus0os7bi9o7/37391791431.pdfIn PDF document text
    • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/bd10ecc0203194e026dc2cc530a8a417/nivezane.pdfIn PDF document text
    • http://utuin.net/files/fckeditor/file/48969912728.pdfIn PDF document text
    • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608573478c344---86105742697.pdfIn PDF document text
    • https://aduanaldelvalle.com/userfiles/file/sazemilo.pdfIn PDF document text
    • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609691779f9b0---gabezakixib.pdfIn PDF document text
    • http://photo-preiss.com/upload_files/files/nedojejelarisasadaripizer.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ethereal+bisexual+definitionPDF 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_off000142e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x142E1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00015af3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15AF3 17792 bytes
SHA-256: b7a6aa00dce2cf98810cf16a71fe9813457ffbe254765eb0fc3137ba9b09cde3
font_02_sfnt_off00018974.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18974 10776 bytes
SHA-256: 3b0dff46f1b0dda5f4e016c8a25b85424965220851ef9a42dc29ff86724b7396