Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b3d63bfe84b245…

MALICIOUS

PDF

86.6 KB Created: 2022-03-23 23:37:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 61db6c4d88ce2cbf2763d2e927b70267 SHA-1: e1ffec30c6c49c9e035499315d087974ec4290cc SHA-256: 72b3d63bfe84b245ed547c25e2c78bcc5cfb73138301fad316999c549f89b674
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://wirut.co.za/YmrXLWy8?keyword=streetcar%20named%20desire%20characters PDF link annotation
    • https://posoxoniboje.weebly.com/uploads/1/3/4/7/134713430/nabosisulimodipa.pdfIn PDF document text
    • https://falototadapi.weebly.com/uploads/1/3/3/9/133989324/0e7effcbb6a.pdfIn PDF document text
    • https://jizenifujepuv.weebly.com/uploads/1/3/4/4/134489688/8623557.pdfIn PDF document text
    • https://bemesamug.weebly.com/uploads/1/3/4/7/134722017/3885342.pdfIn PDF document text
    • https://livurexile.weebly.com/uploads/1/3/2/6/132695833/kegexe_marugi_kufisewejuven.pdfIn PDF document text
    • https://wabemogulumog.weebly.com/uploads/1/3/4/3/134384503/ad58e677.pdfIn PDF document text
    • https://kidupexedu.weebly.com/uploads/1/3/4/6/134683121/16189fe9ee.pdfIn PDF document text
    • https://mitosimizede.weebly.com/uploads/1/3/4/3/134372473/goburepifixaki.pdfIn PDF document text
    • https://sigesibum.weebly.com/uploads/1/3/1/4/131438142/xusoxunazonokupepol.pdfIn PDF document text
    • https://gojamomer.weebly.com/uploads/1/3/2/8/132815882/f0c7591286a1416.pdfIn PDF document text
    • https://kafutejitiripil.weebly.com/uploads/1/3/4/6/134625984/webuxafepesum_zatavovimudubor_gesoj_pufavoterotof.pdfIn PDF document text
    • https://xajogizikotepi.weebly.com/uploads/1/3/1/4/131437636/1c997308f.pdfIn PDF document text
    • https://jevogebog.weebly.com/uploads/1/3/2/3/132303093/dumakatumupo.pdfIn PDF document text
    • https://jevogebog.weebly.com/uploads/1/3/2/3/132303093/jimoned_mefadeja_bowusi_fumekugu.pdfIn PDF document text
    • https://balijijileg.weebly.com/uploads/1/3/4/5/134505585/4124179.pdfIn PDF document text
    • https://giromotazipajid.weebly.com/uploads/1/3/1/3/131384567/mufexewajer.pdfIn PDF document text
    • https://rujikanonige.weebly.com/uploads/1/3/1/8/131872107/3c455ca2e10.pdfIn PDF document text
    • https://vefarekosisag.weebly.com/uploads/1/3/4/7/134722728/cf536.pdfIn PDF document text
    • https://zakazorexan.weebly.com/uploads/1/3/1/4/131407051/vetodosafukuzux-lazevijug-jurularopajig-temepomom.pdfIn PDF document text
    • https://tapidokebijimub.weebly.com/uploads/1/3/4/5/134577153/41a1b4bfb1.pdfIn PDF document text
    • https://nogexumojadug.weebly.com/uploads/1/3/4/2/134235638/tutesu.pdfIn PDF document text
    • https://pilorixo.weebly.com/uploads/1/3/4/6/134689004/e86e9790057654.pdfIn PDF document text
    • https://sikegupul.weebly.com/uploads/1/3/4/6/134681682/0732932.pdfIn PDF document text
    • https://zepafasamog.weebly.com/uploads/1/3/4/3/134361306/3101675.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF05 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off000105a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105A9 10544 bytes
SHA-256: 301d7619b13eb47da351602a4b7797f1382d7144517994696ea9ca148a39933c
font_02_sfnt_off00011d73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D73 17412 bytes
SHA-256: 9e139132e67e40faef21ccce84a7e9b3c542e1c29dfe370addb4b7397f447f34

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