Malicious PDF — malware analysis report

Static analysis result for SHA-256 01dfc914b38874e2…

MALICIOUS

PDF

77.3 KB Created: 2021-03-24 22:33:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 114a1abe06909c5b7e628d4a6d59558c SHA-1: 8828913b8591fd54da83a4a919be2efedfd72040 SHA-256: 01dfc914b38874e21011c8ba0d495bb7c3d7f6d6a1208cc3933cf2b420b9f190
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 0.9998

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://golowaki.ru/wix?keyword=quick+pdf+scanner+free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4487007/normal_5fda8dd7908d0.pdfIn PDF document text
    • http://jafoxidulez.mypressonline.com/thinking_fast_and_slow_summary_of_chapters.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420764/normal_5fddbf449feaa.pdfIn PDF document text
    • http://dotenipago.medianewsonline.com/what_is_a_level_1_leader.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369185/normal_603871e423c7d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459625/normal_5fc87ac7d550f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486772/normal_5fea4006c4363.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/5b648710-be1b-43be-af56-76ec011f461c/jbl_xtreme_2_target.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b93e75c5-dcd8-45ee-aa62-00660d26d2a5/que_son_los_manuales_de_organizacion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45d885fd-ad25-4e6a-bd2b-01c51d4e8d3b/mimif.pdfIn PDF document text
    • https://s3.amazonaws.com/dosipive/44465738690.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6de1553-8658-406e-a3cb-3ef43b213e80/prisin_en_bayamon_puerto_rico.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/43471423-759d-4b13-99ee-66ecd5b374ec/mgma_salary_data_family_medicine.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/how_to_reset_honeywell_thermostats.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7129852d-ffd9-421c-b090-334f628df3c8/questions_to_ask_when_interviewing_a_small_business_owner.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a36e016-5c8d-4ff7-95b5-a38c5f5bc31a/the_hunger_games_mockingjay_part_1_movie_download_in_hindi_720p.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a0eaa45-36fb-4da5-ae3e-e80ab4f739b5/86089904004.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_off0000f155.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF155 5244 bytes
SHA-256: fccf077e7c904cdd6bc9a08fff0736a8cdbbce38306e97d2b58934136ba6a9f2
font_01_sfnt_off00010341.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10341 10832 bytes
SHA-256: 33045efb712c8c5251834258e6f63c37f9ce78f9a71386a10f3ed7b530232296

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