Malicious PDF — malware analysis report

Static analysis result for SHA-256 54e29d6b94ceb4be…

MALICIOUS

PDF

77.9 KB Created: 2021-05-20 02:51:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 6864e74b5a9d8c1e23b3184374cd015e SHA-1: 48b7fc26f6755ad9e6b62b1c4d42a5e93208aa6c SHA-256: 54e29d6b94ceb4bea6a21611317046fc2b863a50fc5579421adc45059f80f8fd
156 Risk Score

Malware Insights

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

This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many of which are likely part of a link farm designed to direct users to malicious content, as suggested by the PDF_SEO_LINK_FARM heuristic. The primary malicious URL found is related to 'hack money gta san andreas multiplayer', indicating a phishing or scam lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://gimoguvi.ru/strik?utm_term=hack+money+gta+san+andreas+multiplayer PDF link annotation
    • https://dexetejitifite.weebly.com/uploads/1/3/4/5/134576896/fuvijifutu.pdfIn PDF document text
    • https://wigabededonekan.weebly.com/uploads/1/3/0/7/130740374/bozumolevam_tolifufasugonub_daxidixikefiz_fopopinina.pdfIn PDF document text
    • https://nudikiwo.weebly.com/uploads/1/3/4/0/134042489/563bda0728002.pdfIn PDF document text
    • https://bapefakujina.weebly.com/uploads/1/3/4/4/134483882/guxofopadozi.pdfIn PDF document text
    • https://gagebenejiv.weebly.com/uploads/1/3/0/7/130740087/992f67cfe7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/sedimeraxufi/kevurazejadexizigo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5262948d-ec55-43c8-a630-f2ba729de7ac/prentice_hall_gold_algebra_1.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/bivanirizepesu.pdfIn PDF document text
    • https://s3.amazonaws.com/jipowumat/60010794844.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05759206-591d-4196-b3c2-0b38e103f0b0/carlton_gebbia_worth.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b61fec14-2642-4107-9f28-f6e62b91f8cf/musugafazalenikixud.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/tiviwa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66380954-ae7c-42ca-94b0-d7cf2a44c177/john_kehoe_mind_power_audiobook.pdfIn PDF document text
    • https://s3.amazonaws.com/lorerexeg/kuwogisedituraratirikewo.pdfIn PDF document text
    • https://s3.amazonaws.com/biwubeleba/jixawo.pdfIn PDF document text
    • https://s3.amazonaws.com/bagisi/62576966961.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/16d9235e-cfb6-4f61-b31d-bd3ee72aacaa/xesafodafeduwuvesik.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f9ec187-b645-4b8b-80c7-9397d11045df/wupevafogesegirakot.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/vimeo_er_app.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d8ef7c6-8ee0-4972-9d2c-dcc593428998/30842712378.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/ikea_malm_king_bed_weight_limit.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_off0000e2fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2FC 5404 bytes
SHA-256: 06504157687d63e58f34560da672f5511cec1bd4aa7bbddd48325846e2fd6cb9
font_01_sfnt_off0000f541.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF541 11372 bytes
SHA-256: e8bb26b092d175aafca374407dc5b27466fc57af1a6e44985307d7643918c9c5
font_02_sfnt_off00011c10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C10 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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