Malicious PDF — malware analysis report

Static analysis result for SHA-256 017af9f8e6814398…

MALICIOUS

PDF

70.6 KB Created: 2021-03-15 00:45:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 2b4730bffec9b02e6ec227ca3f73e0ee SHA-1: 110f6bc5638727867a8ea877bc870e6ae1b68e1e SHA-256: 017af9f8e6814398b622971e6663c4104e8bdf4567e671b5c2154f5710328d78
96 Risk Score

Malware Insights

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

The file is a PDF document flagged as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, 'lozipotod.ru', which is likely used for phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://lozipotod.ru/123?utm_term=flannelette+fitted+sheets+kmart PDF link annotation
    • https://cdn.sqhk.co/xokebuzizo/hJDhgja/lisuzadip.pdfIn PDF document text
    • http://pukujadud.getenjoyment.net/ielts_writing_task_1_and_2_samples.pdfIn PDF document text
    • http://moradudipomibo.mypressonline.com/gunesuburor.pdfIn PDF document text
    • https://cdn.sqhk.co/lilaxikixo/wywNvjh/89029368607.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495055/normal_5fcd8c4115fdb.pdfIn PDF document text
    • https://cdn.sqhk.co/ganinidunop/jEcihCv/daily_task_list_template_excel_download.pdfIn PDF document text
    • https://cdn.sqhk.co/pulazapusaw/rggVjjf/6434587615.pdfIn PDF document text
    • http://nipokaxa.getenjoyment.net/50917852667.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387565/normal_6011dfa3864f2.pdfIn PDF document text
    • http://mekomob.getenjoyment.net/vaderopadirudomumefizol.pdfIn PDF document text
    • http://fexevewuli.mypressonline.com/the_book_thief_full_book_download.pdfIn PDF document text
    • http://komaxinatobofe.medianewsonline.com/hamilton_beach_coffee_maker_k_cup_compatible.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417429/normal_5fc8966f29678.pdfIn PDF document text
    • https://cdn.sqhk.co/rekosiseweno/2ibpLgf/rafelawagemad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374540/normal_6021964b161c2.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/kelukakeb/36771681553.pdfIn PDF document text
    • https://s3.amazonaws.com/wemofodi/jefusevasuwosiwawupimam.pdfIn PDF document text
    • https://s3.amazonaws.com/xalexojaxipud/oracle_sql_substr_instr_example.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/android_map_network_share.pdfIn PDF document text
    • https://s3.amazonaws.com/limepusotanal/bass_boosted_song_now.pdfIn PDF document text
    • https://f11c4bf2-12a6-49f8-9590-07a94b689168.filesusr.com/ugd/11276f_6adb4dcc29604851847f85705f2622a8.pdf?index=trueIn PDF document text
    • https://486bfeb6-87d8-40a3-812f-3449909c9139.filesusr.com/ugd/81b904_1d239466f5b647eb9e11951c3a4a2743.pdf?index=trueIn PDF document text
    • https://391e4f24-9fc9-4707-ac06-338edcd9f959.filesusr.com/ugd/110ef3_9e75c082934c45c8badfc095caa7d0dc.pdf?index=trueIn PDF document text
    • http://sasaxunofob.atwebpages.com/kamadamir.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d74b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD74B 5164 bytes
SHA-256: becfa3428529a98c3297cba7d245f74046056f5ab775fd99b21083fadcd6996a
font_01_sfnt_off0000e8b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8B7 10764 bytes
SHA-256: 96ea04a1e0b502cf6ba157d18c9b08786a855499065793566239e3c0e4219ae6

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