Malicious PDF — malware analysis report

Static analysis result for SHA-256 eaed5d3dd6833453…

MALICIOUS

PDF

317.5 KB Created: 2021-03-17 00:10:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: fcaa03aeb093a7d2d85ab8a3ed989939 SHA-1: 0f11312d16dff0efa06715f8a8fdc49eaa8a9b1e SHA-256: eaed5d3dd68334534d1b0cb13cc02306b6f0625d6c1a26261663fe0e19064424
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

Heuristics 4

  • 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/award?keyword=download+manga+akame+ga+kill+bahasa+indonesia+pdf PDF link annotation
    • https://kulexixujida.weebly.com/uploads/1/3/4/7/134723957/kasokemur-juzawedipiv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469378/normal_603ffb4f53a23.pdfIn PDF document text
    • https://gilawidukawopux.weebly.com/uploads/1/3/2/7/132741225/wewot.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375083/normal_5ff26b3f8cd61.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414849/normal_5fd082adad0a6.pdfIn PDF document text
    • https://vebovaxuzukikom.weebly.com/uploads/1/3/4/3/134352383/reborudu-lolamanatifepez.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459481/normal_60234367db97b.pdfIn PDF document text
    • https://mosaminaworite.weebly.com/uploads/1/3/1/6/131636744/dokatuvetemibobuv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375514/normal_5fdfc482caf25.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462688/normal_5fd904671d064.pdfIn PDF document text
    • https://pixamowogiru.weebly.com/uploads/1/3/4/5/134590731/5743734.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/802cb4f0-a534-4e14-a866-40514f51bcae/nintendo_ds_lite_battery_and_charger.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3979dd72-7eca-4601-8464-8b5196b42013/figaluxa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1ef5eee-509c-4e76-8b20-5e9e5d78779f/honda_generator_eu2200i_manual.pdfIn PDF document text
    • https://d78d2789-9aef-4bfd-88be-9093bec910ef.filesusr.com/ugd/87a178_2898df1c9b444f6e866e84b6ed87749d.pdf?index=trueIn PDF document text
    • https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_ec2a9ae63c9a4e1fa8a46ccaafce0c54.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/760e6cf6-bd49-4250-8c50-2d1638e1797f/nogizikowipoxusunum.pdfIn PDF document text
    • https://740e8036-3174-4dac-ae20-9eee1cd11a0a.filesusr.com/ugd/0f1c31_4305406a746e4ff9a94302c1c3d9fff9.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/votubukaxogilix/97091986214.pdfIn PDF document text
    • https://s3.amazonaws.com/xopugup/50152298049.pdfIn PDF document text
    • https://538d8494-0c7d-401a-b890-0485f6bc7bca.filesusr.com/ugd/29c71c_4932aad88d9e49e992bc1023f1647ae2.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00042abf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42ABF 19896 bytes
SHA-256: 8559f95237252e30b6436b4274bda849e88c110a42019cccc9e20ff35053a1b3
font_01_sfnt_off00046b55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46B55 5656 bytes
SHA-256: 87d5ff5c2fb809e1e5bd14c7760d73632eeb5470af5623fe7c1d13910f126ece
font_02_sfnt_off00047e84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47E84 34356 bytes
SHA-256: 14e5c13b2ea7bcb876b2f0fcff2ee8cba5a8e067cf7700cfcad94d3642d1a617
font_03_sfnt_off0004ce89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CE89 16164 bytes
SHA-256: 737fec66378db49e3c47948b91bb536eaa7767dfab45374d096aefea6a90af13

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