Malicious PDF — malware analysis report

Static analysis result for SHA-256 215bdb943dd603b4…

MALICIOUS

PDF

78.7 KB Created: 2021-07-19 02:03:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: e1e43fa507b39c1a483802c8d1f71354 SHA-1: 9c8c43d887d90da77b06d37496659a13e2482f52 SHA-256: 215bdb943dd603b467c0de042f5c6214a145cbad3731ac285813cb1a2d2d86a1
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that points to a Google feedproxy, which in turn redirects to a Squarespace page. While the destination URLs themselves are marked as benign, the presence of the malicious classification and the embedded URI indicate an attempt to direct users to potentially harmful content, likely for phishing or scam purposes. No scripts were extracted, limiting the analysis of specific malicious behaviors.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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/jEScUJLm1bs/square?utm_term=ipswich+river+wildlife+sanctuary+trail+map PDF link annotation
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e787b805bd8420fe070adb/1625786296309/90549791225.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f0940a1c7a3529f8974986/1626379274355/69446929116.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ee1af95f7927514e3a8acc/1626217209803/23745598595.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f0b350bba5ad6f836dc052/1626387280483/67616918363.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ecae704d4a7853b7150cc2/1626123888933/88897244309.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f0aa8598358e582fa34e88/1626385029507/breathless_going_up_stairs.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e7ab814d2175279d10ecd1/1625795457632/40247350071.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec80bc700aa07a7894b023/1626112189004/20837141081.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ede9067ce58f02ed950657/1626204422210/58804870159.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f4ae2eaba5f52989b847f8/1626648110196/92323978357.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e807eedbc52028c8414dc9/1625819118296/35554499870.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ee4c8764675e3b9de24502/1626229895901/guxebolatuzuwolome.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f023b990ddb31b72a9a31c/1626350522091/60069376798.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e7fb459ebc0053f317b5e8/1625815877960/jefazujuzokumemilaxuwol.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_off0000ce83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE83 11080 bytes
SHA-256: d877ab6147269e2df7be8a4715ff780044aac7cfe6a524331ba332cca192bc15
font_01_sfnt_off0000e83c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE83C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001004e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1004E 16804 bytes
SHA-256: 1af5a0da2839e0bab67623063ec26b575d1644ff34a5567104d6bcf0ef2ddbbb

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