Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b3e1f446b26931e…

MALICIOUS

PDF

87.3 KB Created: 2021-07-24 00:04:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: dd667e1021bbd6ad6834f1a410d45a9c SHA-1: bd2fe67a2b874eadc215a72f64ae2ec04d2b7afc SHA-256: 6b3e1f446b26931ef3a7e89d5a249fc2218b8584ee19f7a6aa10e5090f939ddf
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious. It contains embedded URLs that likely lead to malicious content or phishing sites. The presence of these URLs and the overall detection score suggest an attempt to trick the user into navigating to a compromised resource, consistent with phishing or malware distribution tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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/razvivatel/yapz/~3/NsX9ihectO0/square?utm_term=char+broil+patio+bistro+240+assembly+instructions
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f5dce293183f4dffcccf8f/1626725602100/minecraft_how_to_craft_an_ender_chest.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e7fe8023621b4743e54f42/1625816704923/aashiqui_2_video_song_hd.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f2e7134f27972c603b4b1c/1626531605034/third_form_of_sink.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ec7d64700aa07a78943c88/1626111333120/vulelugiliduberupinisin.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f5b5c2f463987ad2cb616f/1626715586824/mew_cheat_code_fire_red.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60fb2dff56aa4304bceb4035/1627074048071/what_is_a_noun_worksheet_2nd_grade.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f2aed22e59700d3e568b5a/1626517202488/50164747862.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f8f7b6d0dad67a22d9760b/1626929078961/58620655187.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f7567cab821d17597b218e/1626822268158/fibilasasifazozum.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f00f541c2a3138378f000c/1626345300663/77466805432.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f9d61bce493555aeb2b221/1626986012098/33022577114.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e7ade897884458c99f27f2/1625796072127/rafem.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f74389e6f99930fcfd6fd2/1626817417727/fasuvu.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60fb2e8038fc4e3faba4f664/1627074176720/ginexokumafugufabup.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60fac9c3d866e317c760ea15/1627048388291/walan.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ee159c77e2cd4113ecf146/1626215836297/impres_battery_charger_manual.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_off0000eee4.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEEE4 16792 bytes
font_01_sfnt_off000106f6.bin
da96a38d8f8d647142fbd36403c561707e8e2e94151e99b5ac639c7654a80533		 pdf-font-stream PDF embedded font (sfnt) at offset 0x106F6 17500 bytes
font_02_sfnt_off00013525.bin
99e6c95721d5c1a8d6e5517dd00df4c81f7686f408ef19c08bd2cf7ba8fd82cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13525 11344 bytes

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