Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc0c84d692de3782…

MALICIOUS

PDF

92.1 KB Created: 2021-02-16 19:37:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1840e7c3ca7b6ff1022172d631bd0e00 SHA-1: c6ee03a4a06f0f7f4711c1aca1d18c453d9306a9 SHA-256: fc0c84d692de378221bef1e98040fa4d207f081900a7223ef6efaba01749e867
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to search results for a book series, aiming to trick users into clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://baarspo.ru/strik?utm_term=charlie+higson+the+enemy+series+characters PDF link annotation
    • http://xidotamasaw.22web.org/formule_excel_arrondi_entier_inferieur.pdfIn PDF document text
    • http://faceit.su/blood_pressure_recording_app_androided83f.pdfIn PDF document text
    • http://livecopyrightverification.com/kick_film_heroine_name_and_photos0hcq1.pdfIn PDF document text
    • http://vashobereg.com/795765135007m6po.pdfIn PDF document text
    • http://pidedex.22web.org/85552082016.pdfIn PDF document text
    • http://mekatososa.iblogger.org/beowulf_guided_reading_questions_ks2.pdfIn PDF document text
    • https://cdn.sqhk.co/detaludolef/fqlNIhb/radorobudojasemidaxi.pdfIn PDF document text
    • http://perevod-card2card24.site/13574852577ubrjl.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/fajetufekejo/jamf_ad_cs_connector.pdfIn PDF document text
    • https://s3.amazonaws.com/kegovev/70065608995.pdfIn PDF document text
    • https://s3.amazonaws.com/xilasisefi/favudil.pdfIn PDF document text
    • https://s3.amazonaws.com/vesubodufisi/dedawasewijupiper.pdfIn PDF document text
    • http://rujavesejijoram.epizy.com/nonikigigibomuveboramipo.pdfIn PDF document text
    • http://madanekobovuge.epizy.com/milijaka.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://scripts.sil.org/OFLIn PDF document text

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_off00011fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FC3 5124 bytes
SHA-256: 3b7663d4c5d17e640f2ee851b89e901ffc43022530054751db63f5b4b483ccfe
font_01_sfnt_off0001310a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1310A 10608 bytes
SHA-256: 00658aea9ecb948c1273dcab9b8d0ba30dcfde9a202af5c732658c10740089b3
font_02_sfnt_off000154f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x154F1 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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