Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe48ef284f57da8f…

MALICIOUS

PDF

75.3 KB Created: 2021-02-19 04:44:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: e379ea1f20860c9344da6faa720e4f20 SHA-1: d9d0280612be977a92384d8a7c54de8b35910db3 SHA-256: fe48ef284f57da8f58edbd12fc8f10ba297ead36b2198bd9960327be6111ebf8
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 external URI pointing to 'bologen.ru' was extracted, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of an embedded URL indicates a likely phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/wix?keyword=stephanie+plum+and+lester+fanfiction PDF link annotation
    • https://cdn.sqhk.co/xawobovuji/f6jnzn3/list_of_all_my_apps_iphone_offloaded.pdfIn PDF document text
    • https://cdn.sqhk.co/xejudawadoni/djgiwVu/nulomutevebudatira.pdfIn PDF document text
    • https://cdn.sqhk.co/kekelivig/hdgVvWU/talking_dog_movie_90s.pdfIn PDF document text
    • https://cdn.sqhk.co/jigavozef/hejghhR/hitman_3_trailer_song.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://s3.amazonaws.com/vavale/motaremuxesomabifuroruvap.pdfIn PDF document text
    • https://s3.amazonaws.com/woxewiwupir/the_rime_of_the_ancient_mariner_iron_maiden.pdfIn PDF document text
    • https://s3.amazonaws.com/megulu/69089444751.pdfIn PDF document text
    • https://s3.amazonaws.com/pugomonapoxuxe/dermatitis_atopik_jurnal.pdfIn PDF document text
    • https://s3.amazonaws.com/rumezo/4651540141.pdfIn PDF document text
    • http://xuvaduw.epizy.com/neuroblastoma_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/mevuzokekenojab/hungry_shark_evolution_hacked_version.pdfIn PDF document text
    • https://s3.amazonaws.com/regegozumekoza/tedimovekupelokumaxarebi.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/anjaana_anjaani_movie_video_song_hd.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d333.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD333 5380 bytes
SHA-256: ac09cc49b52718e6dfa42b6c7c31f671dfd2577519ce8a4a5c77d441ad71fc3e
font_01_sfnt_off0000e534.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE534 1800 bytes
SHA-256: 6d2a3a16cc464ce72cf05976c7f96a31c93af2202e0dc760c37a694345e222ee
font_02_sfnt_off0000edc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC4 10492 bytes
SHA-256: fb02b2f93113968139fe400fe7659593853827fd087b34707f94579b2bdc11f8
font_03_sfnt_off000111a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111A2 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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