Malicious PDF — malware analysis report

Static analysis result for SHA-256 d552a760461663e1…

MALICIOUS

PDF

82.2 KB Created: 2021-07-16 22:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-08-25
MD5: c678ee50e9e42f43d59cacef9dcada67 SHA-1: d3565be363ed3280cf114147ea04593244295a33 SHA-256: d552a760461663e136a370dd2064ad108cdd0357d615534efb776b4c4caadad2
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The presence of embedded URLs suggests a phishing or redirection attempt to external sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a social engineering attack, likely a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6329

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://feedproxy.google.com/~r/sq/ugae/~3/5Aj-mlxkUx8/square?utm_term=clash+of+clans+hileli+android+oyun+club PDF link annotation
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ee270f7c5bce1f334b5b66/1626220303626/75251940520.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec90c63631fd4ab81729f1/1626116295026/wanalutowuwesibebenewebo.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e9333eaa30721e65efbe17/1625895742514/sample_letter_of_recommendation_for_ordination.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ee00451c6c1a61d528add2/1626210373438/read_crescent_city_online_free.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ed98a27d02012a3631a7c9/1626183842759/south_america_cougar.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ed3f904bcdcf6393fc0c30/1626161040585/dozozijoxovibe.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d076.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD076 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e888.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE888 20372 bytes
SHA-256: 53a3c89f2f98a8a176382531596edf169f7f3cd7cc602529dd2ddce69b32d665
font_02_sfnt_off00011a69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A69 10860 bytes
SHA-256: 1283b552bccf7df34857500f4275c1e6513c9c3913e996ca53d211726d338efa
font_03_sfnt_off00013338.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13338 968 bytes
SHA-256: 58d96e7bff36ed39d9cfa64c5ebd0bb9db8f823ba1fa14bf29783da666329f2a

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