Malicious PDF — malware analysis report

Static analysis result for SHA-256 c99d535d26722762…

MALICIOUS

PDF

92.7 KB Created: 2021-03-27 22:51:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 818dc74f16a0a13549baf0a31a72fb17 SHA-1: 15547ea5911ef77964b118d40a5aa39595c8edbd SHA-256: c99d535d267227628537f437d0c40a3c647d5904704988b56a252d6dccacff0e
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 0.9996

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://maypoin.ru/wix?keyword=padmavati+full+movie+watch+online+hotstar PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4373788/normal_60367558028a2.pdfIn PDF document text
    • https://cdn.sqhk.co/zogameva/cJugdhh/chisel_and_bits_mod_minecraft_pe_1._16.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426815/normal_60318dd8c164a.pdfIn PDF document text
    • https://cdn.sqhk.co/gukijenof/wZIZcjg/wondershare_filmora_full_version_32_bit.pdfIn PDF document text
    • https://cdn.sqhk.co/konidadelan/gcjejdH/my_octopus_friend_review.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481072/normal_5ff8ab007b02b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375528/normal_60207bdd7d1f1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415936/normal_6025f9ae9f8d2.pdfIn PDF document text
    • https://cdn.sqhk.co/gepeduvo/avyja6W/bebalufogofowukigewuw.pdfIn PDF document text
    • https://cdn.sqhk.co/jarebomu/hiJggIr/raid_shadow_legends_script_ad.pdfIn PDF document text
    • https://cdn.sqhk.co/nobipajami/i83hjyH/perfect_gear_minecraft.pdfIn PDF document text
    • https://cdn.sqhk.co/kifavubivelo/hiHgfHq/leduvafegu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487005/normal_600cdebfda2f5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416810/normal_5fe7696b61bb2.pdfIn PDF document text
    • https://cdn.sqhk.co/dovewobojeb/jggcibc/81248836148.pdfIn PDF document text
    • https://cdn.sqhk.co/wareberefiz/bjdshiz/66604812413.pdfIn PDF document text
    • https://cdn.sqhk.co/nujudemugipi/PNYNhcS/35857787474.pdfIn PDF document text
    • https://cdn.sqhk.co/naxupowu/gigjfjf/subnautica_connect_pipes_to_base.pdfIn PDF document text
    • https://cdn.sqhk.co/zagakobafot/UCQjhNd/pumanulepuxet.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/ed83793f-4d64-46c3-82de-04adb7d8fa78/lg_g29_direksiyon_seti_evkur.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e20ce075-907b-42d7-a34d-7d9f1fa0d20d/bibalimamipawuturufapo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8df838a4-8beb-41f2-93cb-a7d3f8ad1c89/xagemelorav.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DC6 5412 bytes
SHA-256: 27fab5273b8cfb83395baf34d62130a09e9d36ca32e0b2f24b7adb95903fcbda
font_01_sfnt_off00014021.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14021 10728 bytes
SHA-256: e857e81a2029ab08abe81e31ed5deebd6f1c7980d349b13926427420dc839535

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