Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c30b4b2004ce03c…

MALICIOUS

PDF

83.2 KB Created: 2021-05-18 11:06:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 1412948034371e7f1f05d9baaacb4397 SHA-1: 50399ef3cd0600bd78729bb95459587dcd8dbbe4 SHA-256: 3c30b4b2004ce03c0d2c7e0386c3b19e8c2465c5dacf5262e42bb54d9ae03a7b
104 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 presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://golowaki.ru/strik?utm_term=baixar+dragon+ball+z+budokai+tenkaichi+3+para+android+apk PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4383586/normal_5fe43d4a79747.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4498678/normal_605240f6f0036.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462344/normal_60610a516dd3c.pdfIn PDF document text
    • http://bududusawuwepi.iblogger.org/how_much_is_a_used_wii_worth_at_gamestop.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kifutizijebuj/79425816670.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/55cd769b-89b5-490c-8701-abd9c8f060fa/povivugewigafigivapij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ac9efc26-4ecb-494f-9d25-1eb9be63daa1/presto_food_dehydrator_06309_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dff2603d-aafc-4c96-a185-51d8c0aed370/dopikitakilufunajug.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/096f1315-9df1-40cd-9ae2-4fe518691d21/zenifezanob.pdfIn PDF document text
    • https://s3.amazonaws.com/fekife/name_with_birthday_song_video.pdfIn PDF document text
    • https://s3.amazonaws.com/degisapemifa/kenufidunowupijezi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8fd70c4f-073e-4a92-a0d3-6dd00313f682/60854054721.pdfIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/73590048071.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/86082553186.pdfIn PDF document text
    • http://widojedup.epizy.com/libro_los_barcos_que_vuelan.pdfIn PDF document text
    • https://s3.amazonaws.com/tamovagag/what_are_the_five_basic_management_skills.pdfIn PDF document text
    • http://xulitapaxi.rf.gd/37940339166.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/34875448422.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ad99224a-d963-46cc-bdda-3119b05bdf0a/85439098317.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/kesapusapenoj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6a39a3a-e6a2-4cdc-848b-b46ec544dcf1/how_do_i_reset_my_insignia_tv_remote.pdfIn PDF document text
    • https://s3.amazonaws.com/wutisigila/bts_fire_song_video.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c283e9e4-b125-440a-b05d-6cd182080407/68584106772.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d36d89ba-6a22-4ed8-8e98-38624dcb46d7/when_was_k45_kitchenaid_mixer_made.pdfIn PDF document text
    • https://s3.amazonaws.com/xapota/korojetujetixotubariwoza.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f6da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6DA 4060 bytes
SHA-256: e332a95c0ca732ac3ad49a5344b95acd26e555177db72ee0ed2f76820df6fecb
font_01_sfnt_off00010529.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10529 5692 bytes
SHA-256: fa75f445e5296c88f58e9a494694aaf97fbf2cd5e893fd123a7bf07dc139d362
font_02_sfnt_off00011895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11895 11196 bytes
SHA-256: 6175880f30fe9815e0e68e135a9722d9354f2404d545104832018e621637e920

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