Malicious PDF — malware analysis report

Static analysis result for SHA-256 49127703628da443…

MALICIOUS

PDF

41.1 KB Created: 2020-10-28 05:07:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 7b599165113d3282b12b6857adf7542d SHA-1: 2db9caaff0d3f24583b61af238d3a14fb3357de5 SHA-256: 49127703628da44300a12600130f1b8c4b6efbe658e8677a1ac2269e46b468cf
94 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://gettraff.ru/123?keyword=arden+hills+dmv In PDF document text
    • https://cdn-cms.f-static.net/uploads/4389606/normal_5f95d792d347a.pdfIn PDF document text
    • https://kesolijizik.weebly.com/uploads/1/3/4/2/134265964/votivo.pdfIn PDF document text
    • https://gemefakopegixi.weebly.com/uploads/1/3/4/3/134309359/vodovuxafanozodivoz.pdfIn PDF document text
    • https://seriraradekabas.weebly.com/uploads/1/3/4/0/134016679/fuzutun.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/48c312fa-a40a-4acd-ad76-cc44e2b79c5a/gesubevalidovu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36c996b1-2dbe-4805-b52f-41ac5b2b1686/46988790656.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/452d94db-ba4e-48bd-a143-48e505839538/as_i_lay_dying_themes_shmoop.pdfIn PDF document text
    • https://s3.amazonaws.com/widiku/vosopeginonezetusevunuxas.pdfIn PDF document text
    • https://s3.amazonaws.com/lixasifasi/how_to_be_a_good_leader_at_work.pdfIn PDF document text
    • https://s3.amazonaws.com/wilugugo/toxupegawozakatuvu.pdfIn PDF document text
    • https://s3.amazonaws.com/falevi/21834008969.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/1049/0022/files/tapone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/2596/8533/files/minc_foil_machine_vs_laminator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/1586/0134/files/73250752138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8676/4446/files/psy_2012_ucf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/3826/8318/files/9th_class_english_textbook_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47e48744-1aeb-4040-a717-12a96961266e/novetoluvore.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1c67b88-3c78-441c-9101-7bd66588736f/how_high_pelicula_completa_en_espao.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/03aa63e1-b470-434b-a728-fa22fa196a10/palamozawipiz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f3839d2d-67e3-4bdd-937b-bbf10553f13c/36345195551.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000055ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55FF 4500 bytes
SHA-256: 5aca942cfeb3d74d48d12ebf0b56caa413cc4dacd58eee7b3d07523b4c90837c
font_01_sfnt_off000064f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64F3 10972 bytes
SHA-256: cff0ae7dd7e9a9653c5929ee95468f739dc3359d6dc4d5c20246eb5c28657389
font_02_sfnt_off0000896d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x896D 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2