Malicious PDF — malware analysis report

Static analysis result for SHA-256 307d08970ce8e173…

MALICIOUS

PDF

77.1 KB Created: 2020-12-22 04:11:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 4c3f3757735ed207e0f3a44bcd10a93e SHA-1: 554745a071795cb22b90b8eb5296f04261dcb069 SHA-256: 307d08970ce8e1730ccb8b090629232ba8bac0540f5b6bf466f49fba644dbd19
104 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript and a high-confidence ML classifier flagged it as malicious. It also includes a URL that is likely part of the phishing lure. The ClamAV detection name suggests a phishing and trojan payload. The embedded JavaScript is likely responsible for redirecting the user to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://traffset.ru/123?utm_term=midnight+express+wrestling+figures PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4380395/normal_5fadcc49c07b2.pdfIn PDF document text
    • https://pikotawikeju.weebly.com/uploads/1/3/4/4/134496208/vunijusidu.pdfIn PDF document text
    • https://rilavopitokutod.weebly.com/uploads/1/3/4/7/134765049/391708139be1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379030/normal_5fbba05584709.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/ee7173d3-7e3f-4754-a898-9fb94343c935/jimolupixelogolu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6dfce0d9-8b20-4d76-90e2-cdc0f8bec1e6/baywatch_body_workout_phase_1_downlo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5aae9affbf90a660b10b8/t/5fc9d6d6be6684539dec12c3/1607063258393/58441064395.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d861499e-a5b6-4c45-93e1-0174587792c0/sikulekopelekukatizewi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fe11d622bc52c1e41c9e497/t/5fe135f5c34a2a2a7c848641/1608594935795/corporations_canada_guide_to_federal_incorporation.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c0a6955-5617-49ff-a862-052c64d555a5/apk_pc_emulator.pdfIn PDF document text
    • https://s3.amazonaws.com/pidufozu/cover_letter_in_english_template.pdfIn PDF document text
    • https://s3.amazonaws.com/gulapore/payoneer_contact_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc7d34de-c89b-479e-bff8-97cceb38db52/nba_2k_mobile_codes_twitter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d4209f0d-05a3-41ec-a6a3-6260e63dcbb6/86226694532.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_off0000e302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE302 5032 bytes
SHA-256: 244b8b30d4898fd532c3c51d88c75622133fbc0f43a9dc1e1cf091473c54f624
font_01_sfnt_off0000f432.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF432 10776 bytes
SHA-256: 8721301ea241b457a0a02c34cb973c56b51d8b251f0d3f9cd0087d4457a6dcfc
font_02_sfnt_off00011930.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11930 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

Open this report in the interactive analyzer, or submit your own file for analysis.