Malicious PDF — malware analysis report

Static analysis result for SHA-256 d517e259e723a67e…

MALICIOUS

PDF

83.4 KB Created: 2021-07-16 05:22:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 3ce6a429f820274288fdd098d354ffb5 SHA-1: e56e6eb6bb4248c6aad979b7db732302b5de636c SHA-256: d517e259e723a67e63ee6d41338b72e326ef76949a098943a8af312ecaa33bee
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains embedded URLs that likely lead to phishing content or further malware. Although no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it's designed to exploit vulnerabilities or trick users into navigating to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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/AnJPYMJXbyQ/square?utm_term=you+have+my+heart+quotes+for+him
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e785082a492612bc7d132e/1625785609083/hrt_with_progesterone.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec835d760c9e2bcf42f2f8/1626112861354/sons_and_lovers_summary.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f0a532038a391877ab2c65/1626383666780/31730052739.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e8860585cb3336587a580a/1625851397278/95955699767.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee6c791f51426150cfec61/1626238073585/spin_quantum_number_discovered_by.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f0e417fcdff1298e51fc5f/1626399767801/base_and_exponent_meaning.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e898ce8e6e246adebda6fd/1625856206920/ritozasupo.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f0c742840b985f2c52e956/1626392386533/79155603211.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e94cc8f107ff2467ea510b/1625902280134/78602260466.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f0a687269fa62ee09e83da/1626384007714/the_meaning_of_compose.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f0ba5478fb23041afabba8/1626389076196/link_command_in_unix.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e857a1971727491769a7e6/1625839521848/faculty_manual_for_private_schools.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec7d81bdd82073f6fe6d22/1626111362041/56907828235.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ed897df67381323ef8eb89/1626179965995/loan_protection_insurance.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e9400ccc7c08645927d191/1625899020412/38882510420.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e932bd320dbd0de281aa69/1625895613252/14570977988.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ee256f0981f36585a068ad/1626219887963/85366317568.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec7e9c700aa07a78945dfe/1626111644049/sickle_cell_trait_and_sickle_cell_disease.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_off0000e00c.bin
fd5ec6a7bc2a672ff38b670bf27e7421b289493f27d4d8aef34245613b5998dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE00C 10736 bytes
font_01_sfnt_off0000f8d5.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF8D5 16792 bytes
font_02_sfnt_off000110e7.bin
e1e72e86d3ad0a86d3205fc5021c5fd7f3dbdd5f9ff7acec917ff873045ee959		 pdf-font-stream PDF embedded font (sfnt) at offset 0x110E7 17604 bytes

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