Malicious PDF — malware analysis report

Static analysis result for SHA-256 cddcb08186d57954…

MALICIOUS

PDF

72.5 KB Created: 2021-02-27 16:01:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 77baba037f3cca74af01431a2df07172 SHA-1: 983bcc12a6d152953e014e3687d86a2418255526 SHA-256: cddcb08186d57954eecec1814a59932c42425a89471f57d69e897d8d6f783188
96 Risk Score

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 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://dugedepap.ru/strik?utm_term=how+to+fix+printhead+hp+8620 PDF link annotation
    • http://taxevidel.medianewsonline.com/mewaret.pdfIn PDF document text
    • http://kojazunupetip.mygamesonline.org/30890114030.pdfIn PDF document text
    • http://xulubapatoso.scienceontheweb.net/87662354558.pdfIn PDF document text
    • http://bimufufedo.22web.org/starcraft_2_battlenet_crack.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/serogajugomiji/73806597546.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/fannie_mae_student_loan_repayment_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/dosalapasenow/capture_photo_from_video_android.pdfIn PDF document text
    • http://finuximiwogum.rf.gd/beautiful_flowers_background_images.pdfIn PDF document text
    • https://s3.amazonaws.com/wegemebufojafak/mozowiwew.pdfIn PDF document text
    • https://s3.amazonaws.com/jazofi/noxidakexixesuxid.pdfIn PDF document text
    • http://sowutafamewuben.rf.gd/37561298109.pdfIn PDF document text
    • https://s3.amazonaws.com/lakujusitejojet/sijanovojezerapapogaj.pdfIn PDF document text
    • http://nidemavaguwagev.rf.gd/zaxusubopogod.pdfIn PDF document text
    • http://sivuvupaxiju.rf.gd/43769096195.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/bafg_formblatt_3_ausdrucken.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubatebedoxez/pejageti.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 8

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_off0000de1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE1F 5664 bytes
SHA-256: fba156977e655b09ce15b27466d71be5aece18cee9a8a2b85207af20dd024fbb
font_01_sfnt_off0000f17e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF17E 10460 bytes
SHA-256: 4a8704bf887866b9057e19f5bd856c5272fdeadb9cd2a8a40a5ed0653fc3320b

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