PDF malware analysis — malicious · 66c05264bae1fb09

MALICIOUS

PDF

80.3 KB Created: 2021-07-14 07:18:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 7e5813558f0e8eb5f612896e7bb4343b SHA-1: a63c611198ac2da262c529e49eaa46dd6f60e3ff SHA-256: 66c05264bae1fb0929df9f759ca225cbb0a41d3e6a05d3732c06fa14fff963c3

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded URLs suggests a phishing or redirection attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs are consistent with common phishing lures.

Machine Learning

Nyx PDF Classifier malicious score 0.9912

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/pL_UGxDroB4/square?utm_term=90kg+in+lbs
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60edec6d895aae42f65bc422/1626205293660/call_me_by_your_name_full_movie_download_eng_sub.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec7a80dbb514329fae3d74/1626110592538/23666397116.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ec877e402743737596e4a8/1626113918781/specific_heat_capacity_of_water_equation.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec8032b6dedd3ae1686255/1626112051204/safewatch_3000_install_manual.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ed1425a17c7f1bf0ffcaf7/1626149926036/16994906524.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ec783c5f604029b9904739/1626110012830/how_long_for_painted_turtle_eggs_to_hatch.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e7aa35d0799e4214bdcf54/1625795126041/what_is_your_goal_in_life_best_answer.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60edac5537bfc37e3c248fb5/1626188886220/autotools_2nd_edition.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ee2d3d7426fb5109f3a2cf/1626221885922/jojakix.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000dbcd.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBCD	16792 bytes
`font_01_sfnt_off0000f3e4.bin` `ee06d7e383884ae85f9d33d173852afb829ebc2e7160e380d2dffec427ba8f43`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3E4	10096 bytes
`font_02_sfnt_off00010a69.bin` `f7cefbc58193cb956a116fe112b5efe15865bf2ab84c6896e66d4322306f12ca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A69	16548 bytes

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