Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ea68aae927bdf98…

MALICIOUS

PDF

93.4 KB Created: 2021-03-04 17:34:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 83e5fbb8254520e2f2ce5e7116341cbd SHA-1: b7db804f8bcdfc9fd5ec6d6bfffb9ef69469cdf8 SHA-256: 7ea68aae927bdf98bb4830a428c435b8da1a549850c7d3898989c0f10b48df22
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 0.9985

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://zajinet.ru/strik?utm_term=hp+1536dnf+mfp+service+manual PDF link annotation
    • https://cdn.sqhk.co/wifurovud/djchhoq/bopitezuluvitebekinilozu.pdfIn PDF document text
    • https://cdn.sqhk.co/koditisalupe/aghmHjc/pixel_combat_world_of_guns.pdfIn PDF document text
    • https://cdn.sqhk.co/nakijalufiw/Pjghdym/gibbets_bow_master_apk_day.pdfIn PDF document text
    • https://cdn.sqhk.co/podiwilur/d5y3gho/yellow_river_game_ranch_facebook.pdfIn PDF document text
    • https://cdn.sqhk.co/toxodimina/at4hfCc/any_audio_language_converter_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/wemorapi/5jihii3/womex.pdfIn PDF document text
    • https://cdn.sqhk.co/femokuxajuz/ehjihdv/royal_caribbean_2021_panama_canal.pdfIn PDF document text
    • https://cdn.sqhk.co/dolafita/bPjMhax/sadumagitekerunenibal.pdfIn PDF document text
    • https://cdn.sqhk.co/fugovigul/jgdgfjf/petroleum_engineering_jobs_entry_level.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/6eda49e7-4110-4fe1-a80e-ba6c2f5465c4/98432437385.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0eb33d22-51c7-40ca-bd13-8119ab85b459/94670588094.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/50091eec-1de0-41a0-96a8-8530083f1441/48594974058.pdfIn PDF document text
    • https://s3.amazonaws.com/vipinib/zefidodekejuditigojalon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12ee9daf-185e-4909-a6bd-0429005331cf/magic_tree_house_book_list_1_45.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/372747bf-8cd6-402c-8430-2636c36d13da/topagejoparorerova.pdfIn PDF document text
    • http://bodotekufuw.rf.gd/38747667889.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3b472c2-9c8f-41e8-a248-d23411ac7254/suwinipu.pdfIn PDF document text
    • http://mubozezubudiz.rf.gd/tozodumatomijoxelumiga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c097fca-f053-4c53-a742-98c262dc5b17/vunaweviv.pdfIn PDF document text
    • https://s3.amazonaws.com/fifomi/galupoxubelufabegener.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/efdd9f08-cded-4d26-bec6-134795c1f3e7/where_to_get_a_bose_wave_radio_repair.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/262a8b8a-139f-4834-8307-ea05c94916d7/10218952694.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/575d6dc7-97e8-44be-b2a5-daefb87f613c/acer_aspire_e15_price_in_bd.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0001343d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1343D 22216 bytes
SHA-256: 4d7020726db83b59df4ee94273a0ea39a4a3da9cc45c4d93c3f52b7a28b3593a
font_00_sfnt_off0000fb48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB48 5508 bytes
SHA-256: 73e39d8112afcd77598a29365c083c722833b2f96c59fe1ad5f52ca6433f6062
font_01_sfnt_off00010dd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DD9 11292 bytes
SHA-256: a5d0d309bca3ee5c103084be5dd86a3f9132a08755a67d777a6bfab26021df61
font_03_sfnt_off000159e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x159E4 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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