Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a95b4093f571f4a…

MALICIOUS

PDF

76.6 KB Created: 2021-04-07 16:12:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 97f1e996cd4fec1cc8bd70a4d6718bb3 SHA-1: 59e2dc0c1247e16cbce9238526979a6ddfa9637b SHA-256: 2a95b4093f571f4a61e37bcf3cacf15c4e9ff4edaccba3cff5eb2b0bebe8b1e9
176 Risk Score

Malware Insights

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

The PDF contains numerous external links, many pointing to potentially malicious domains, and is flagged by ClamAV as a phishing trojan. The document body, though truncated, includes a reference to 'cant transfer tickets on ticketmaster', suggesting a lure to a fraudulent website. The presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' indicate an attempt to distribute malicious content or redirect users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/wix?keyword=cant+transfer+tickets+on+ticketmaster PDF link annotation
    • http://lidlid.xyz/37834880208o3at3.pdfIn PDF document text
    • https://ditakusoboke.weebly.com/uploads/1/3/1/4/131437623/4674315df.pdfIn PDF document text
    • https://liwavijej.weebly.com/uploads/1/3/4/3/134379327/0c11594cb792.pdfIn PDF document text
    • http://indital.space/65199825360w7lwn.pdfIn PDF document text
    • http://winoorama.fun/tipos_de_archivos_y_sus_conceptos5puln.pdfIn PDF document text
    • http://graatorama.fun/is_there_any_free_games_on_ps4x228d.pdfIn PDF document text
    • https://xerazagas.weebly.com/uploads/1/3/0/8/130813913/9230114.pdfIn PDF document text
    • http://zekojotewakugag.mypressonline.com/centroide_y_centro_de_gravedad.pdfIn PDF document text
    • https://kasadinup.weebly.com/uploads/1/3/4/6/134641165/birirufasefen-wojifokeda-mesutekesuju.pdfIn PDF document text
    • http://raisinsapp.club/jinetigepukunedab9lp8.pdfIn PDF document text
    • https://semetipakes.weebly.com/uploads/1/3/0/7/130775831/winonuradojoxuvij.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/gelawiweza/vumiwipasaroxanaxuwovad.pdfIn PDF document text
    • https://s3.amazonaws.com/dogazisuze/9063842757.pdfIn PDF document text
    • https://s3.amazonaws.com/rekawexuretowo/navy_seals_uniform_2019.pdfIn PDF document text
    • https://8909b315-4d59-4940-aabf-0fdaa532e0ad.filesusr.com/ugd/4542d9_e16d3186fefe4532b55eb9dfb00dbb0f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zifilobesumafi/basildon_council_housing_benefit_application_form.pdfIn PDF document text
    • https://4f7f339c-9ee9-4921-a7ad-794169edd555.filesusr.com/ugd/fea72b_443cb04a710d452696b9dd65d9538e2e.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jezaxojipevu/nurexujowalofer.pdfIn PDF document text
    • https://s3.amazonaws.com/bopuxosavubare/55135908985.pdfIn PDF document text
    • https://s3.amazonaws.com/davolazupivowi/71657797246.pdfIn PDF document text
    • http://lijowavatajo.myartsonline.com/famous_spanish_classical_guitar_players.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/inverse_variation_problems_with_solutions_and_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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC73 4964 bytes
SHA-256: 02064457c8ed4332049a5ea1f32a0a6cca85dc1d6300b2de000bb5377e3491bc
font_01_sfnt_off0000fd46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD46 11584 bytes
SHA-256: 3de37d1839e07546ecdd67b21ff6337830466f0ee0838597bb35272e33523fc8

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