Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2c0f7fd9b93ee6d…

MALICIOUS

PDF

79.4 KB Created: 2021-03-24 16:18:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: ac554ecdbe41630a5752ca907644e593 SHA-1: 0e4f3c5e1a14cb18c7428906047a9f4dcf8a11f2 SHA-256: c2c0f7fd9b93ee6d0275a4281a5351bdb007684c624d8f310f71e226e573c2b9
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of external links, many of which point to PDF files, suggesting a link farm or redirection mechanism. The primary URL, https://soxebez.ru/award?keyword=2020+lok+sabha+election+results+party+wise+pdf, indicates a lure related to election results, likely to trick users into clicking through to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://soxebez.ru/award?keyword=2020+lok+sabha+election+results+party+wise+pdf PDF link annotation
    • http://affilateapp.online/exploring_our_world_textbookeam65.pdfIn PDF document text
    • http://1ux.site/maze_runner_thomas_character_traits48144.pdfIn PDF document text
    • http://copyright-central-media.com/how_to_get_veteran_on_drivers_license_floridakugo2.pdfIn PDF document text
    • https://turonobofudub.weebly.com/uploads/1/3/4/4/134463989/vumipumujekej_ketod.pdfIn PDF document text
    • https://sibolapitabake.weebly.com/uploads/1/3/4/4/134469628/2342164.pdfIn PDF document text
    • https://maninuwag.weebly.com/uploads/1/3/4/5/134577581/364920.pdfIn PDF document text
    • http://allerop.xyz/matafizoxubodizagerovoz003xz.pdfIn PDF document text
    • https://pejejuwefosewa.weebly.com/uploads/1/3/4/0/134040570/lawokevulegi_kepozefaziwo.pdfIn PDF document text
    • https://xadularapiro.weebly.com/uploads/1/3/1/4/131437383/vulogugap-duwavaxelularap-kamegojator.pdfIn PDF document text
    • http://organic100.fun/nakazeco49q.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/woxorojero/sowefavuweruzazanodat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bbf9abf1-2f11-4a67-af1f-6447d2964963/judenomaxuxes.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/gujusepiwujugekev.pdfIn PDF document text
    • https://s3.amazonaws.com/dupula/any_paid_app_for_free_ios.pdfIn PDF document text
    • https://s3.amazonaws.com/jixeremipet/fraction_and_decimal_word_problems_with_answers.pdfIn PDF document text
    • https://d89d6b52-6e76-4e18-bccb-bd7428cfddad.filesusr.com/ugd/02beb7_ac8ab17233254c64ab7a8817f7a1d84b.pdf?index=trueIn PDF document text
    • https://b962d5b8-8819-42e3-9ba3-d95e8366760e.filesusr.com/ugd/f51585_ca9e4b0f7cb149678f302e3a84dc3dd4.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/piresafameludu.pdfIn PDF document text
    • https://6b5d12f1-3bbc-48af-9ddb-5430d2fe15e7.filesusr.com/ugd/3bf302_5e5b82938aef4db58f0968c655dcb690.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/6208a236-ac8e-484e-8973-710303009a4d/medicare_benefits_policy_manual_chapter_7.pdfIn PDF document text
    • https://s3.amazonaws.com/kefefetafij/59644070432.pdfIn PDF document text
    • https://36d3fe4d-ce77-4ecd-ae21-04b42370c250.filesusr.com/ugd/871c54_2358159596d141a2967dc4b771d942ca.pdf?index=trueIn PDF document text
    • https://28f2c00a-638b-45ec-8848-4d649cb6aba9.filesusr.com/ugd/946f28_8c0e10a08007420d9e900896bcadc70d.pdf?index=trueIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f552.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF552 5820 bytes
SHA-256: 6c6812fd0a11349c710f2950175d480948c5b1cfeb80eaf5df9c673b73ff3782
font_01_sfnt_off00010924.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10924 11000 bytes
SHA-256: b985b5dabf7ba59d7e10a737b67210383eb8dff73f17da91c1d19abaff313e49

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