Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfe7b128f3c7c42e…

MALICIOUS

PDF

79.1 KB Created: 2021-03-14 20:59:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a9775d8064b12b3126ce6cca4a9806c4 SHA-1: adfa5d9e2c996aa93d38be3e36d52e1a15e8709b SHA-256: dfe7b128f3c7c42ec83c52effe5e61dec98aa5d64f6dbb78d7f0c2f9580cb866
96 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. An embedded URI points to a suspicious domain, likely used for phishing or to serve a second-stage payload. The document body, though heavily obfuscated, contains references to promotional codes, suggesting a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

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://leonvi.ru/wix?keyword=smove+promo+code+2019
    • http://kuvenumine.mygamesonline.org/how_do_you_pair_jbl_free_wireless_earbuds.pdf
    • https://cdn.sqhk.co/wopeporamo/egdgjEK/buy_labyrinth_marble_game.pdf
    • http://juwatorota.22web.org/paxopejumakotazig.pdf
    • https://cdn.sqhk.co/riroxale/igijiUv/jack_s_world_new_york_city.pdf
    • https://cdn.sqhk.co/gidetixi/jcjeeI1/pick_me_up_quotes_for_moms.pdf
    • https://cdn.sqhk.co/zugivakizo/ihhhhjt/gazujijaragog.pdf
    • https://cdn.sqhk.co/zatugudaxaji/djehdhj/ping_pong_table_size_requirements.pdf
    • http://tipofeliluget.medianewsonline.com/97585078516.pdf
    • https://cdn.sqhk.co/zesonixiv/jahfrl5/lakepig.pdf
    • https://cdn.sqhk.co/kibizatududo/dgeRO1F/occupational_therapy_assistant_job_description_mental_health.pdf
    • https://cdn.sqhk.co/fekoguwiwu/Qjh8jen/candy_crush_jelly_saga_download_for_android.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/jarirotexab/how_much_is_one_denarii_worth_in_us_dollars.pdf
    • http://wugujub.onlinewebshop.net/woxorewalixizusidelalam.pdf
    • https://s3.amazonaws.com/xijuxosisomuna/jelofalemelikixetowipesa.pdf
    • https://uploads.strikinglycdn.com/files/b065dc80-fa61-4258-b095-f26c5bcba707/links_awakening_walkthrough_key_cavern.pdf
    • https://uploads.strikinglycdn.com/files/6ee4a49d-22bc-4c00-8f6b-33410c7e5bed/koboxa.pdf
    • http://tolamepaduxeju.rf.gd/descargar_baidu_root_apk_gratis.pdf
    • http://beximor.epizy.com/aocs_official_method_cd_11b-_91.pdf
    • https://s3.amazonaws.com/telasebisu/19105778019.pdf
    • http://budivisatenebo.rf.gd/tozobofipelanifofup.pdf
    • http://betakudo.atwebpages.com/what_is_a_mission_statement_for_a_business.pdf
    • http://segurixuzek.myartsonline.com/bmw_navigator_v.pdf
    • https://s3.amazonaws.com/zuxime/jegoxatura.pdf
    • https://uploads.strikinglycdn.com/files/868689a1-4cfa-4ffa-bad7-926e4e9f8030/41764902432.pdf
    • https://uploads.strikinglycdn.com/files/b48e6230-db5d-40bd-9959-5a37e71edee8/how_to_fix_ue_code_on_lg_washer.pdf
    • https://s3.amazonaws.com/megujobemegor/destiny_2_shadowkeep_light_level_guide.pdf
    • http://jumebesatupa.epizy.com/25745688812.pdf
    • 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_off0000f490.bin
4bf70ea712286a313f05108b2abb17df08f9c2a3916a88b2943148c359ec502d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF490 5444 bytes
font_01_sfnt_off00010712.bin
d724f1bad2d70ec3695f7c5829a8761cbc8eac0973458e044084c93020fd2913		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10712 11092 bytes

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