Malicious PDF — malware analysis report

Static analysis result for SHA-256 de2f8e33121eed6e…

MALICIOUS

PDF

84.3 KB Created: 2021-05-26 06:25:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8c602a0c9cfdc20879321967957ce212 SHA-1: ac6e8b63d0703ab69dc9eaf25b22cfd0d284ab4f SHA-256: de2f8e33121eed6e27bbae569df9d25b57d6e5f2f15733dae0e39d8630ec1ee4
156 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting an attempt to redirect users to malicious content. The document body contains metadata and garbled text, but the primary threat appears to be the embedded URLs leading to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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 http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609171085921f---66130530535.pdf In PDF document text
    • http://appartenvue.net/appart/upload/images/42178018453.pdfIn PDF document text
    • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/4480af41341069114664b9860aa4f182/44386614982.pdfIn PDF document text
    • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/be062ede542b25df02a71dca99061913/suzirifazebabejojoxaka.pdfIn PDF document text
    • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bad93194b8---magezixoniw.pdfIn PDF document text
    • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/443df3c14bbc271cbfb0c73a111cb113/zinikamifewipinika.pdfIn PDF document text
    • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d8b178999---liwofifevosalapaduxujofo.pdfIn PDF document text
    • http://ideas4mypool.com/userfiles/file/xirat.pdfIn PDF document text
    • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160748cbcb1086---liburomosa.pdfIn PDF document text
    • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/c9c01bca615026efc997106fd1e5172f/rifejax.pdfIn PDF document text
    • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/4a331057aa0d0177ff6d0c708e05d536/nodinoxusodup.pdfIn PDF document text
    • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/003ef2cc9716d171f1140616228789fb/bigexor.pdfIn PDF document text
    • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711bd7cbf55---62254663034.pdfIn PDF document text
    • https://leganordavigliana.it/uploads/file/pikibupegupokafe.pdfIn PDF document text
    • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/60f47960bbf14c5fa1255d8a81245cad/8469256768.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=the+selection+series+books+happily+ever+afterPDF 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://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d565.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD565 5420 bytes
SHA-256: 82691396cc0b687f5ee3db39ad4b10b97dd1486efb29696db48c2b932bfd69bf
font_01_sfnt_off0000e7d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7D3 4712 bytes
SHA-256: 1f33ea6c010da39fbe1e1cc7007d06d73feadb60fbf3e88e2bf49a9d7616b3af
font_02_sfnt_off0000f95b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF95B 11400 bytes
SHA-256: 89aee9c48f950383431a938cdf17a3275db8fb05e836d7653e4106c2ecbad300
font_03_sfnt_off00011fac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FAC 19372 bytes
SHA-256: 4d87b61638d62fbf15ca1c704aaab7ff44faeccd314e20086365afefd0ef716a
font_04_sfnt_off00013b66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B66 1748 bytes
SHA-256: f4c1951fe63072d871aa5e031b9b131b770368359e1d24a6c84c3267c1ca0576

Open this report in the interactive analyzer, or submit your own file for analysis.