Malicious PDF — malware analysis report

Static analysis result for SHA-256 0161aee0238dda7b…

MALICIOUS

PDF

74.6 KB Created: 2021-03-24 12:55:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: a41192a3b21dac741d2cb87d7628de77 SHA-1: b0c4eb391b1918b783b31003adf07451dabed754 SHA-256: 0161aee0238dda7b7f146082464b9b90c130ab675b1c0addd2a7c4664d30641a
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://fokemale.ru/wix?keyword=amature+fishing+tournaments+in+texas PDF link annotation
    • http://rowowesofazov.medianewsonline.com/how_much_is_20_extra_credit_points.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4394062/normal_5fe8476b23ce8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380380/normal_5fe83a5593f43.pdfIn PDF document text
    • http://xuwuvewisin.mypressonline.com/satix.pdfIn PDF document text
    • http://hisgohar.site/focusrite_scarlett_2i2_driver_download_windows_10px6bu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470391/normal_5fea2d923aaa0.pdfIn PDF document text
    • http://santand-es.com/nojiwewcc66h.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369630/normal_60535885b1c43.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d78db4b-d96b-469f-9282-b4b7086bf438/5_example_of_classification.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29da1163-eb6f-4b2a-9369-1884ea9caf57/28948716561.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3de0cfe-170a-430c-baeb-77b790b80997/metal_halide_fixture_wiring_diagram.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6875791-e623-49c1-9730-4dff8cc2d41f/winter_is_coming_game_of_thrones_font.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89a6d890-b407-4869-949e-6c83ac477a76/36876902421.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a43d51a2-9fcd-49b8-99cc-d4bc58acb450/briggs_and_stratton_small_engine_repair_manual_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab84c3e4-0a5c-4aac-83ff-73e1fed3fc0e/dixit_cards_list.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://scripts.sil.org/OFLIn PDF document text

Related samples 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e33b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE33B 5208 bytes
SHA-256: cc04012c92634bde29bdbff599cc67a91de36a088f35365b8b0b765bb6de4464
font_01_sfnt_off0000f4c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4C8 11636 bytes
SHA-256: 6fff6e3b6d269059771a64eef87c5ddf4f3cbb2c00f4532a04789b3a5d365520

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