Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc90ac05cdd3c33f…

MALICIOUS

PDF

74.9 KB Created: 2021-02-15 14:54:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: afac013efae93af3908f2c1ce8326bcb SHA-1: 1c1d71f03982c8fe4d5b5a905c8b802bb050c24b SHA-256: cc90ac05cdd3c33fad7d43e70c2d374daaf47221242b0ba98a6e31aa66de8ac3
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a site offering game hacking tools, which is a common lure for phishing or malware distribution. ClamAV and ML classifiers strongly indicate maliciousness, and the presence of multiple unknown URLs suggests a phishing or credential harvesting attempt. No scripts were extracted, but the embedded URI is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/wix?keyword=hack+8+ball+pool+apk+long+line PDF link annotation
    • http://vbnmcxz.xyz/guideline_diarrhea_201800vgj.pdfIn PDF document text
    • http://ch-bewertung-2888.xyz/chretien_de_troyes_arthurian_romances8g0x7.pdfIn PDF document text
    • http://doorstepcomputers.com/assassin_s_creed_rogue_ps3_freewt5ik.pdfIn PDF document text
    • http://pollsexpert.com/13911089056sejx9.pdfIn PDF document text
    • http://bionatur.space/nijijowiniwasureg8nhk.pdfIn PDF document text
    • http://copyright-securityx.com/592308741129blcp.pdfIn PDF document text
    • http://fresh-ita.space/4879579144npony.pdfIn PDF document text
    • http://weinmvc.net/65854698452yuxst.pdfIn PDF document text
    • http://tranquils.space/yasin_sharif_download_in_gujaratixtb2a.pdfIn PDF document text
    • http://popularchoice.space/xiwivezalokijeffop1b.pdfIn PDF document text
    • http://korsabarca.com/39159534042y890m.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://s3.amazonaws.com/xirixepo/cerebral_cavernous_malformations_icd_10.pdfIn PDF document text
    • https://s3.amazonaws.com/zulezov/magazine_cover_page_layout_design_template.pdfIn PDF document text
    • http://munoxefarofow.rf.gd/junewovuwowiwojazuvagi.pdfIn PDF document text
    • https://s3.amazonaws.com/sewamos/creation_revisited_peter_atkins.pdfIn PDF document text
    • https://s3.amazonaws.com/xaliwalufoguni/xobebaxiluwabowokibapa.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/zufafajuzel.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/difference_of_cubes_examples_with_answers.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d9a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9A9 5188 bytes
SHA-256: 3b1d83031e8e4ed702229967ea9bbe6dc780a2fdde67b714eb10c692f8c287d9
font_01_sfnt_off0000eb55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB55 6148 bytes
SHA-256: be38186c9256ba0e64b07d34cca2e63b176d3ffd182ae4667a642b503e748fe0
font_02_sfnt_off0000fb35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB35 10192 bytes
SHA-256: 6d6aa26568a6cdb53548dc94e579b3e445d3fc41f74709310e5aa178990c1dc5

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