Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb0e296fb1388606…

MALICIOUS

PDF

70.8 KB Created: 2021-03-13 19:01:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: 7bd54ec167a3f40d78300847267f918e SHA-1: 8253c6065a56f9c7ab423b2e64dfc0121b88b9af SHA-256: bb0e296fb1388606bd23c68c45dfd2be272c0d10d6243fa033f61bbcfd395838
156 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by multiple heuristics and an ML classifier, indicating a high likelihood of malicious intent. The presence of a large number of external links, including a link farm, suggests an attempt to manipulate search engine rankings or redirect users to malicious content. The document body, though heavily obfuscated, contains text related to 'Doraemon movies list in hindi youtube', likely a lure to disguise the malicious nature of the PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://botokaw.ru/wix?keyword=doraemon+movies+list+in+hindi+youtube PDF link annotation
    • https://batusuxejodasav.weebly.com/uploads/1/3/1/8/131857782/3309057.pdfIn PDF document text
    • http://uaregroup.com/70629391884ov5j4.pdfIn PDF document text
    • http://meetcabinets.xyz/79093711986qel31.pdfIn PDF document text
    • https://kamekupamekom.weebly.com/uploads/1/3/0/8/130813698/1541037.pdfIn PDF document text
    • https://jisofuzevilane.weebly.com/uploads/1/3/0/9/130969501/1674300.pdfIn PDF document text
    • https://dozevexenunapaf.weebly.com/uploads/1/3/4/0/134017655/f178e2.pdfIn PDF document text
    • http://sq11mini.com/data_structures_and_algorithm_analysis_in_java_3rd_edition_solution_manualg5dqw.pdfIn PDF document text
    • https://ruloxewetufo.weebly.com/uploads/1/3/1/1/131164393/wivigufotizoru-wamen-xizizuwugep.pdfIn PDF document text
    • http://goodsun.fun/74399650334s31d0.pdfIn PDF document text
    • http://fupodiruza.66ghz.com/20115973475.pdfIn PDF document text
    • http://prizinsta24.space/which_calorie_counter_app_is_most_accurategiu95.pdfIn PDF document text
    • http://pemovixo.iblogger.org/85314738341.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/piwanisaj/heat_transfer_data_book_kothandaraman_free_download.pdfIn PDF document text
    • https://a3720f92-bdaa-4449-a3ff-14f36884d2d5.filesusr.com/ugd/afadc3_b32e658f14e94aae93354575bfacb8b6.pdf?index=trueIn PDF document text
    • https://3c4962d9-41f7-4f14-8396-dad57cc8de20.filesusr.com/ugd/a2de88_af35cf38507d41dfb5699a510f5f97ed.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/mivokozibu/will_you_come_and_follow_me_the_summons_sheet_music.pdfIn PDF document text
    • https://5984e891-aecd-43e6-866f-efdb297c9c35.filesusr.com/ugd/403565_1db51870727d48a9b0e863daeeb14b9c.pdf?index=trueIn PDF document text
    • http://zumewozuzetarun.epizy.com/gold_shield_vector_free.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/a_company_uses_the_perpetual_inventory_system_and_recorded_the_following_entry.pdfIn PDF document text
    • http://zebigibozudival.epizy.com/vajij.pdfIn PDF document text
    • https://625f08e2-3d8e-45b5-8e8c-b95d001c5c7c.filesusr.com/ugd/d94ae5_e3b6212c48f34e3193c36404d0619c28.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/menegumodulosise.pdfIn PDF document text
    • https://s3.amazonaws.com/genedonapubefe/99961791187.pdfIn PDF document text
    • https://30b7a97f-6117-4fff-8876-4b3c2220b6c6.filesusr.com/ugd/15cd4d_12220c6ded334e13b9e7b6806804c0b7.pdf?index=trueIn PDF document text
    • https://bed1e925-73f7-457c-87ff-53f226988024.filesusr.com/ugd/d4a8ce_6c1cc7fcc997447195da3784a35ee1c7.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d82c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD82C 5368 bytes
SHA-256: 2c9bff23df57af465d51a5c3315d0a15a455029ed57f5697bdc9caa2379e6d6c
font_01_sfnt_off0000ea49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA49 10232 bytes
SHA-256: 6aca6d15ca5647961231d6a479ded8e8524fb1007c980cc144247b9bfef6692b

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