Malicious PDF — malware analysis report

Static analysis result for SHA-256 e329501627a055fc…

MALICIOUS

PDF

76.4 KB Created: 2021-03-22 03:06:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 211080c02d3feed44de5c90e1cae6c4f SHA-1: 9f102f02a1378eff4fe66b050ddd67b49518dd24 SHA-256: e329501627a055fce8088a020729a70acea625a737bd5434cd089dbecd566a29
96 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.Trojan. It contains embedded URLs pointing to potentially malicious domains, suggesting it's part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure for an "owners manual", aligning with common social engineering tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jottigo.ru/wix?keyword=mvwb835dw+owners+manual
    • http://gatofupimekow.mywebcommunity.org/venakani.pdf
    • http://nesibobivugo.iblogger.org/cara_vsco_fullpack_gratis_android.pdf
    • http://youla-24.cc/46705627048do6er.pdf
    • https://static.s123-cdn-static.com/uploads/4418579/normal_5ff8509c646c5.pdf
    • http://copyright-security-ig.com/lovinediruxatezetvrxt.pdf
    • http://copyrightviolationcenters.com/90786717447ykofo.pdf
    • http://gubilof.22web.org/84081416340.pdf
    • http://vnds-v.website/esser_smoke_detector_wiring_diagramk94bd.pdf
    • http://buyervannakupitvsem.xyz/862634717069u3w7.pdf
    • http://pazifelurup.medianewsonline.com/1146884956.pdf
    • https://cdn-cms.f-static.net/uploads/4372355/normal_604ee5752fb21.pdf
    • https://static.s123-cdn-static.com/uploads/4403531/normal_6004de8aa5c4e.pdf
    • https://static.s123-cdn-static.com/uploads/4411932/normal_5fc9e63405812.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/881e67de-7bd6-4f5c-9d19-f43a0ec4cc0f/where_to_get_covid_test_in_newcastle.pdf
    • http://lixugafepujijoj.onlinewebshop.net/kujulowanaroselujovulaki.pdf
    • https://s3.amazonaws.com/tazibabebamep/flir_one_gen_iii_android_usb-c.pdf
    • https://s3.amazonaws.com/bojafazes/korean_quotes_with_english_translation_tumblr.pdf
    • http://tikobonojaxax.epizy.com/cursed_item_generator_5e.pdf
    • https://uploads.strikinglycdn.com/files/ed63c51b-9e17-4c7e-a06c-c491e168b21f/rothfuss_book_3_release_date.pdf
    • https://s3.amazonaws.com/mipeboro/disomarizo.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec90.bin
0f31634970970c35edc433593b0b3c1cfda07a42d904a113a59d7771bc098be7
pdf-font-stream PDF embedded font (sfnt) at offset 0xEC90 5752 bytes
font_01_sfnt_off00010026.bin
5d7f6ab49da919021bbb8f5b615f023c20321b6056814f03c547dc4aeaf65207
pdf-font-stream PDF embedded font (sfnt) at offset 0x10026 10672 bytes