Malicious PDF — malware analysis report

Static analysis result for SHA-256 dccba7b04e5caee4…

MALICIOUS

PDF

111.0 KB Created: 2021-03-15 19:18:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 3b9fe75be400a17172e2081b807e76ae SHA-1: 5b0ffc8fe15f4ff3e01d5362a6caea4f2555080a SHA-256: dccba7b04e5caee4ddf9e73e51e13065b61ae93de04ece281e937285637025bf
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains keywords that suggest a lure related to religious text, which is a common tactic for phishing campaigns.

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://dugedepap.ru/award?keyword=lakshmi+mata+ji+ki+aarti+pdf PDF link annotation
    • http://xizabif.22web.org/aeroplane_game_3d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446270/normal_601d718c1ea4e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412897/normal_6002758d25d45.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454967/normal_5fd096af39598.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368503/normal_60109f9ec489d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384819/normal_5ffe319869a5d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451752/normal_5fd2a7881ffbf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472776/normal_5fd9c41d5ecc6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367914/normal_6016b4c4abbec.pdfIn PDF document text
    • http://tijukilebag.getenjoyment.net/poseemos_2_tipos_de_comunicacin_verbal.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/limewub/37547196412.pdfIn PDF document text
    • https://s3.amazonaws.com/mixanaz/bizhub_c353_transfer_belt_reset.pdfIn PDF document text
    • https://s3.amazonaws.com/jedobufudajewu/rakuten_viki_app.pdfIn PDF document text
    • https://s3.amazonaws.com/bisiku/what_is_the_relationship_between_curriculum_instruction_and_assessment.pdfIn PDF document text
    • https://s3.amazonaws.com/palikuvexake/number_theory_mod_calculator.pdfIn PDF document text
    • http://suduxegowur.onlinewebshop.net/what_is_the_purpose_of_the_myers_briggs_test.pdfIn PDF document text
    • http://wilaroxu.atwebpages.com/voxifelenerezi.pdfIn PDF document text
    • http://fanolegib.rf.gd/20154071171.pdfIn PDF document text
    • https://s3.amazonaws.com/tupofelasujewas/84388430569.pdfIn PDF document text
    • https://s3.amazonaws.com/xefejevife/tifalowebuwutumexoza.pdfIn PDF document text
    • http://wapudajikipidem.epizy.com/behringer_b110d_manual.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0001754c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1754C 18584 bytes
SHA-256: ed1186fc7bf75f3acf884f42850434046d5843b38b79f160f3dbbc6cba9cad99
font_00_sfnt_off000134ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x134EA 5332 bytes
SHA-256: 2124d9a6509fef16d77feabc9cce5faf5f954e10e7eaf6378295764a639d65bb
font_01_sfnt_off000146e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x146E4 3772 bytes
SHA-256: e2c7bb3c6d2fbc6b9680c858ce58af9e5cd0e4fbc18f33bdd2ad1d5654d08a87
font_02_sfnt_off00015288.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15288 10132 bytes
SHA-256: 4c14a0061a314fae51b8fbf7554230fb4cc9d7c9e294118c89a226afeb918b1b

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