Malicious PDF — malware analysis report

Static analysis result for SHA-256 e007220adc54a547…

MALICIOUS

PDF

77.9 KB Created: 2021-03-09 14:02:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7f390a3dd0b7f000776c84e12d1c4b7c SHA-1: d6cccfa56049e247c1e8a846cd0ebab5d65232fe SHA-256: e007220adc54a547aaeddb3ac78389c58756e90591bde6b7b173e0cb164242ea
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL pointing to a malicious domain, likely intended to trick the user into downloading further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed as a lure for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://xezojetit.ru/123?utm_term=movies++for+mobile+bollywood
    • https://motuzepiruwilo.weebly.com/uploads/1/3/4/3/134348631/wuzosopidan-puwipubuzekuku-wajolume-dawebevojubob.pdf
    • https://cdn-cms.f-static.net/uploads/4465392/normal_60225ddadcca5.pdf
    • http://fito4ka.xyz/aretha_franklin_nessun_dorma_mp3_free_downloadqvu4w.pdf
    • https://meripowubizaj.weebly.com/uploads/1/3/5/9/135959363/zaxegolekelozuj.pdf
    • http://nibumuxadata.66ghz.com/domiditatazofi.pdf
    • http://osummer.space/allen_theaters_farmington_nm_drive_iniumrm.pdf
    • https://nodirodenesubob.weebly.com/uploads/1/3/5/9/135986245/fc50cb3.pdf
    • http://capridigi.com/101366584753a3xw.pdf
    • http://tejafosiko.iblogger.org/gevasakisakopujeziko.pdf
    • http://requiredjokblog.com/72164848393vdbya.pdf
    • https://static.s123-cdn-static.com/uploads/4461791/normal_5fcf7d9c08868.pdf
    • https://wegusolojemirub.weebly.com/uploads/1/3/4/5/134597015/bunimam-rebajuligafe.pdf
    • https://cdn-cms.f-static.net/uploads/4443809/normal_5fd6149f1416b.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/bokelur/cout_transformer_garage_en_suite_parentale.pdf
    • http://misugivunuzu.epizy.com/77635103361.pdf
    • https://uploads.strikinglycdn.com/files/04c151e8-0fc1-4d73-9b8d-4b29235afab1/zubexujalakemagabefomubo.pdf
    • https://uploads.strikinglycdn.com/files/a63d3140-6c53-4875-956c-fad5f3422a4b/why_is_my_transfer_speed_so_slow.pdf
    • https://s3.amazonaws.com/fivebo/baseball_card_template_indesign.pdf
    • https://uploads.strikinglycdn.com/files/aae0114d-57a3-4630-b185-4958540b55e8/92377311983.pdf
    • https://s3.amazonaws.com/kisagoz/whitehall_study_findings.pdf
    • http://fovuderes.rf.gd/xanatotuzosotunokutek.pdf
    • https://uploads.strikinglycdn.com/files/11793dc1-06d6-4f3f-b83f-6df7596f3dd1/zinosakejixexanozujutujub.pdf
    • http://gojexigubobe.epizy.com/autonomic_and_somatic_nervous_system.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f483.bin
cf538b4499bdff045a6957c02d61dded6d8164aff4c9dc36187080e31d467ae5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF483 5244 bytes
font_01_sfnt_off0001066c.bin
c82b99a63cb51de7b91916478ca9566162148c1af0433ad5c66db86124d12567		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1066C 10444 bytes

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