Malicious PDF — malware analysis report

Static analysis result for SHA-256 9add60ca5f68aabd…

MALICIOUS

PDF

78.9 KB Created: 2021-04-03 14:58:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0d80ce63a727610205e919fc761e180d SHA-1: 873bb2525d19896a7ca443cd4a0555754d986f2c SHA-256: 9add60ca5f68aabd6753eea6d951750b03e8251046140ef57b52aae31f6a1393
156 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a common tactic for link farms and phishing sites. One prominent URL, 'https://soxebez.ru/wix?keyword=generator+fake+ny+drivers+license+number', suggests a lure related to generating fake identification. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or a scam. No scripts were extracted, but the PDF structure itself facilitates the redirection to malicious URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

Heuristics 5

  • 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.
  • 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://soxebez.ru/wix?keyword=generator+fake+ny+drivers+license+number
    • https://bokozimub.weebly.com/uploads/1/3/5/3/135326123/2706805.pdf
    • https://wegenagozej.weebly.com/uploads/1/3/5/3/135394478/1e8e7292.pdf
    • https://fekebejoluxoji.weebly.com/uploads/1/3/4/3/134309121/4880940.pdf
    • https://jenafowumavadas.weebly.com/uploads/1/3/1/4/131437472/75e5f1a8.pdf
    • https://lizameguxif.weebly.com/uploads/1/3/1/6/131606128/wogalonegiwofo-nuzeladerikika-gogifuk.pdf
    • https://tadafami.weebly.com/uploads/1/3/4/3/134386911/duguw_nuwujem_newenu.pdf
    • http://funomixukipiv.iblogger.org/87131167009.pdf
    • https://lurugidapu.weebly.com/uploads/1/3/4/3/134315770/norimu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://lixutepojux.rf.gd/california_association_of_realtors_rental_agreement.pdf
    • https://uploads.strikinglycdn.com/files/4d2fc861-891f-4d9f-b49b-36c6be9c6dd9/samsung_galaxy_note_20_ultra_uk_specs.pdf
    • https://2a6c20f5-091f-48b5-a5be-bf749919b1f6.filesusr.com/ugd/3794ad_f72330a2420a44feb5b919deef20beef.pdf?index=true
    • https://uploads.strikinglycdn.com/files/d3af4500-b34d-4d97-a18b-37352ff249b2/fusakovaxaje.pdf
    • https://6a24fdd2-d4a5-4c4b-882b-0f3115751bcf.filesusr.com/ugd/04e6f9_64b215e9fbe14186ac749798ea034ec7.pdf?index=true
    • https://d3dd75b0-514a-4dbf-a1f7-973a5b421fb1.filesusr.com/ugd/5b46ec_18bcdbba0aec4c4fb4aef8399da2c1ad.pdf?index=true
    • http://dafolilujoxupan.rf.gd/28767728290.pdf
    • https://84bd2c60-91d0-47b6-9565-6ae8a6593e58.filesusr.com/ugd/963627_626a2f2849c84e95a79cdf75f1f311a3.pdf?index=true
    • https://dc688580-c0ec-4ade-910b-7abffd870ab4.filesusr.com/ugd/096b61_f08c9a52907e4414a883fded50fb3b35.pdf?index=true
    • https://00eaa6b3-f026-4720-b00f-fafb40066352.filesusr.com/ugd/d498be_35d1e22c4af34aa1934ffe5ea3bef8f2.pdf?index=true
    • https://uploads.strikinglycdn.com/files/5b38909b-8b56-4c8c-88dd-741aeb193627/rakijunujegewowimon.pdf
    • https://uploads.strikinglycdn.com/files/faeb3a48-b7e3-4514-8b2b-a4b1813095d7/maytag_bravos_xl_washer_size.pdf
    • http://vopogelos.epizy.com/wanadezikarigopipujiv.pdf
    • https://80f75f89-a1e3-4611-a0ef-7a704eb82da9.filesusr.com/ugd/0286dd_ae8fbee180c04e968bed53bbbc59ba9c.pdf?index=true
    • https://uploads.strikinglycdn.com/files/8890c9c9-acda-4248-9341-429c041fd1b6/kekususavapes.pdf
    • https://60ceb029-6f78-4d42-8ea4-15ca08d8077a.filesusr.com/ugd/857e61_9e82a88f2cdd438dbe2a64ddcf8cff00.pdf?index=true
    • https://dd39d194-9042-494f-90ab-223c96cf8da5.filesusr.com/ugd/5d3909_79e7d4e5b108407da03974d16ac03d8f.pdf?index=true
    • https://fa886832-b9e3-4ce5-a98c-97da2614721f.filesusr.com/ugd/9f8050_4baa2dfcf96047889db1468339d5ea90.pdf?index=true
    • 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_off0000f5f8.bin
321fbe213aab8959f4039ed23fd07739c55489a2076f9ace69ff7a527f6da6bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF5F8 5564 bytes
font_01_sfnt_off000108e9.bin
4cad820c679023f59fb3dd101944b1e4af2a1cadc6c26df0e4a0fb00724aa1a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x108E9 10860 bytes

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