Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1eed3f269c09721…

MALICIOUS

PDF

91.7 KB Created: 2021-07-22 12:41:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 15f8ac64be86b27c2983bc5d87e2d8f9 SHA-1: 15639ddf12d289a53315a397369f921581d4ebf2 SHA-256: c1eed3f269c09721599d6037db22bfb762dbd3916ca3eb91e4951dbcaedbe33e
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing attempt. It contains embedded URLs that likely lead to malicious content or further stages of an attack. The presence of embedded URLs suggests an attempt to redirect the user to a compromised or malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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/~3/4aHNpQc2m6I/square?utm_term=itching+in+hip+line
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec88a04027437375970a77/1626114208859/71909659020.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e910c1320dbd0de280760c/1625886913598/28251723740.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e76cb2e8dd0c6938ec03d1/1625779378395/concept_art_meaning.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ed9475b564270cd6e85b16/1626182773981/xufupatonamuzi.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60edc64b1c6c1a61d5228da8/1626195531161/jiboda.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f4873026e2e727c26e7584/1626638128248/the_definition_of_diploid.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f88b5446d9d6033f12acad/1626901332817/fudowukarobutuxob.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f03ada3015c64070ccf16e/1626356442474/if_i_bought_a_house_in_december_taxes.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f8d9e8a4da41491ece9c07/1626921448378/mawikepupux.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f68f1e49ed543a17dce907/1626771230615/short_term_trading_strategies_that_work_larry_connors.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f86b85cc89e2641a5fce3f/1626893189126/64534318773.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f0714b11cad82123c6567e/1626370379724/34048513758.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f12284c08012782f80ed25/1626415748321/frequency_table_calculator.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f4877c9471b562af1de4e4/1626638204802/piregaguputotuwalezal.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f8b9bf9f96d85b0b8f46bf/1626913215673/courthouse_baltimore_county.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f341537e0b4d5f6b1a1794/1626554708109/best_song_ever_just_dance.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010602.bin
e22c5d29bdf6a13fe22691a42478694acc0108f02263267a333a33696abb587c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10602 16948 bytes
font_01_sfnt_off00013249.bin
9b5b980f4f6643c75e523e7407a486e92c169eefcf9789c84cc026d62b261a0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13249 10056 bytes
font_02_sfnt_off00014889.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14889 16792 bytes

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