Malicious PDF — malware analysis report

Static analysis result for SHA-256 378c22a88e39ba87…

MALICIOUS

PDF

74.2 KB Created: 2020-06-16 04:45:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e7ada556a85a461fe771fdf96aaffad SHA-1: 108534d3894d7e05e2602ad55a9828c832df2860 SHA-256: 378c22a88e39ba87420a7cc908dfc8c217786f186cb23381914246217ebe303b
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to domains that appear to be part of a link farm. The document body, though heavily obfuscated, contains a URL that matches one of the extracted links. This suggests the primary purpose is to redirect users to malicious websites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • 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.
  • 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://chloral21.pleasingfood.com/uploads/1/3/0/5/130540116/130540116.html#jethro+kloss+back+to+eden+pdf PDF link annotation
    • http://peachyparadise.co/uploads/1/3/0/3/130379143/puzudu.pdfIn PDF document text
    • http://smtp.theshak.com.au/uploads/1/3/0/7/130740049/zadamezowuzefulun.pdfIn PDF document text
    • http://mesaartsacademy.clubzona.org/uploads/1/3/0/6/130639313/notopen-nuzojesirabis.pdfIn PDF document text
    • http://fredericksburgwedding.com/uploads/1/3/0/6/130603936/xixulavibififobumaju.pdfIn PDF document text
    • http://johnsonvisionassociates.com/uploads/1/3/1/4/131407530/lipusuzosotibikupu.pdfIn PDF document text
    • http://dosnorte.com/uploads/1/3/0/7/130739809/e7af395e6471.pdfIn PDF document text
    • http://wellnessreclamation.com/uploads/1/3/1/8/131871614/vawabagaxamaje.pdfIn PDF document text
    • http://augenblickcenter.com/uploads/1/3/1/8/131871439/343303.pdfIn PDF document text
    • http://wobeyh.com/uploads/1/3/0/7/130738619/juwezekuwekok_fakaxola_sebidiwasef.pdfIn PDF document text
    • http://weatherproofguide.com/uploads/1/3/0/5/130551006/nokavaxolipesivez.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

Related samples 7

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f94c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF94C 10528 bytes
SHA-256: c05479c6cba0bbdf7ce45a532a0b4edc267112ea34224027543a23b3a7212eb7

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