Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8c3ad1458be973…

MALICIOUS

PDF

75.3 KB Created: 2022-03-26 08:57:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 79b2856e2dfbf2d47bc555f97f80dddc SHA-1: 2c71eb4322aad3be282fa80de2e801b198a27463 SHA-256: aa8c3ad1458be9737244529cf763882d8dc8bcc26e620cafb5230d07841e86e4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://mifuj.co.za/YmrXLWy8?keyword=harry%20potter%20original%20book%20covers%20set PDF link annotation
    • https://wexabegolorumad.weebly.com/uploads/1/3/4/3/134351445/d51ac6.pdfIn PDF document text
    • https://zagumukukawikam.weebly.com/uploads/1/3/4/6/134608037/b983bf7d74.pdfIn PDF document text
    • https://xojinumawot.weebly.com/uploads/1/3/4/3/134377449/5abcb.pdfIn PDF document text
    • https://nedugebev.weebly.com/uploads/1/3/4/6/134602354/nozibajefa-liranipubaf-dumozuledafi-wonedosuwarujab.pdfIn PDF document text
    • https://nerisowale.weebly.com/uploads/1/3/1/4/131412290/xukazulolidipejemux.pdfIn PDF document text
    • https://jipofaxinevafud.weebly.com/uploads/1/3/4/3/134350183/8342973.pdfIn PDF document text
    • https://juxepikipoz.weebly.com/uploads/1/3/4/4/134486641/f1373e0348e61.pdfIn PDF document text
    • https://sevimuxeso.weebly.com/uploads/1/3/0/7/130739978/nuluganufupat.pdfIn PDF document text
    • https://kusajigoma.weebly.com/uploads/1/3/6/0/136036420/372f5e5fa843fa.pdfIn PDF document text
    • https://fiduludebiwoki.weebly.com/uploads/1/3/4/3/134317875/tibezel.pdfIn PDF document text
    • https://fifilukativoj.weebly.com/uploads/1/3/4/5/134509223/8348096.pdfIn PDF document text
    • https://bowukobi.weebly.com/uploads/1/3/4/7/134706413/c878114266ed2.pdfIn PDF document text
    • https://peziwotikiju.weebly.com/uploads/1/3/4/6/134602895/9546642.pdfIn PDF document text
    • https://xasirazabad.weebly.com/uploads/1/3/4/6/134699738/5667128.pdfIn PDF document text
    • https://xawawamofolapus.weebly.com/uploads/1/3/1/4/131436997/1a1b6d206c4f.pdfIn PDF document text
    • https://bodonovovo.weebly.com/uploads/1/3/1/6/131607174/952682.pdfIn PDF document text
    • https://buwapagav.weebly.com/uploads/1/3/1/3/131383965/7630104.pdfIn PDF document text
    • https://kowedasik.weebly.com/uploads/1/3/1/4/131438617/nibujeran.pdfIn PDF document text
    • https://dikekivex.weebly.com/uploads/1/3/0/7/130775400/9276349.pdfIn PDF document text
    • https://zexibimugurarem.weebly.com/uploads/1/3/5/4/135400238/nebeped.pdfIn PDF document text
    • https://jipenudus.weebly.com/uploads/1/3/1/4/131406532/450e14bf222ade.pdfIn PDF document text
    • https://pifaxatopegamu.weebly.com/uploads/1/3/4/1/134108845/dofoti-xuzijabare-womawipe.pdfIn PDF document text
    • https://xelekukoxenafo.weebly.com/uploads/1/3/7/5/137513843/vosudumafugabaren.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_off0000c16c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC16C 17324 bytes
SHA-256: d1ee7ec7241681a9ffa055adb061f6f44ef2f951549e91ad07b70ade1dbb735f
font_01_sfnt_off0000ef12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF12 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000105b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105B6 10952 bytes
SHA-256: f39d552ed4a26bb702138c90c9e559aa575821e772367d224836b852be6a1f18

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