Malicious PDF — malware analysis report

Static analysis result for SHA-256 552df55bba00da64…

MALICIOUS

PDF

80.5 KB Created: 2022-03-31 11:58:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: dc2b338bd7b8d6be8433f93e1b1e6967 SHA-1: 6f6a0a15b54d3c81287b7b17863ab543aaf7227b SHA-256: 552df55bba00da6432019abd4182e2ab99f1d8d2eceba888862ad4312bff6479
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://zedimidobigeno.weebly.com/uploads/1/3/4/7/134721933/370937.pdf In PDF document text
    • https://menusopam.weebly.com/uploads/1/3/4/5/134597334/4196536.pdfIn PDF document text
    • https://absolutefusionworkout.com/userfiles/files/xakizidozobefav.pdfIn PDF document text
    • https://dezijetide.weebly.com/uploads/1/3/4/8/134864221/5873872.pdfIn PDF document text
    • https://noloturajikule.weebly.com/uploads/1/3/4/4/134486045/gusifizifat_talurojeke.pdfIn PDF document text
    • http://nhathuocphuclinh.com/upload/files/ledumalodutokenesuzaxo.pdfIn PDF document text
    • https://jerofewu.weebly.com/uploads/1/3/4/3/134369167/271577.pdfIn PDF document text
    • https://hatarozatok.martonvasar.hu/ckeditor/kcfinder/upload/files/sejakuzatoroto.pdfIn PDF document text
    • https://bupulaserora.weebly.com/uploads/1/3/1/4/131437689/vapapod_boxomasum_zegafo_puxasama.pdfIn PDF document text
    • https://defojopisupa.weebly.com/uploads/1/4/1/2/141217838/222736.pdfIn PDF document text
    • https://votilolezin.weebly.com/uploads/1/3/4/3/134307270/dofukibebodawus-zulofesa-momekolomiboze-nenafuzitujirim.pdfIn PDF document text
    • https://jikesisepam.weebly.com/uploads/1/3/1/4/131406861/f4011b266877a7.pdfIn PDF document text
    • http://esteticka-stomatologie.cz/files/content/file/47592140507.pdfIn PDF document text
    • https://pejapuvurexoku.weebly.com/uploads/1/3/1/6/131636728/6488994.pdfIn PDF document text
    • https://vawenajibafadak.weebly.com/uploads/1/3/1/3/131384306/1703180.pdfIn PDF document text
    • http://daiwavn.com/uploads/image/files/gamesuzogitaponiwawu.pdfIn PDF document text
    • http://sage-chem.com/image/files/20220311_191116.pdfIn PDF document text
    • http://senyemetal.com/data/upload/file/buvivolavufurogunerasovir.pdfIn PDF document text
    • https://sinemitivivofa.weebly.com/uploads/1/3/0/7/130740142/a5f40a6c671.pdfIn PDF document text
    • https://yoyep.co.za/YmrXLWy8?keyword=best%20gmat%20prep%20books%20redditPDF 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 extracted file (font_00_sfnt_off0000d786.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d786.bin)

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_off0000d786.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD786 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ef98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF98 16964 bytes
SHA-256: f0913c875cb9cb014f7e25e538ce3a6f1e4ac8503209d491b0b03678eb91e005
font_02_sfnt_off00011bd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BD2 10872 bytes
SHA-256: 305be69606162c1f4d37d10418229c485d8470a321ff30083d4b0011442b25ba

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