Malicious PDF — malware analysis report

Static analysis result for SHA-256 c040027ad77bee09…

MALICIOUS

PDF

141.0 KB Created: 2021-03-11 11:41:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: a41ece61c8e24485506cc6bdd53e8fda SHA-1: ebf4abe5a10696b3af5a3d124f6d4098e52f9cd0 SHA-256: c040027ad77bee0968fdd05054fdeade697764b713cb42481c9d4ebfc72bb41c
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection identifies it as a phishing trojan. The document body, though heavily obfuscated, contains strings related to 'Finding dory 2016 full movie' and authoring application details, suggesting a lure to download a malicious file. The presence of external URIs and the ML classifier's high confidence score indicate a malicious intent to deliver a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

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://lozipotod.ru/123?utm_term=finding+dory+2016+full+movie PDF link annotation
    • http://najetaxu.mygamesonline.org/zajetegavofilodela.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369908/normal_5ff301ad44e8b.pdfIn PDF document text
    • https://cdn.sqhk.co/towevefizub/coha739/kiwuxakisixaxo.pdfIn PDF document text
    • https://cdn.sqhk.co/nitumatemi/eqdhgu8/off_road_rider.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464082/normal_60260a7b8b13d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414851/normal_60269f6510990.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456372/normal_5fc88a4c4baad.pdfIn PDF document text
    • https://cdn.sqhk.co/sunomedude/5ijL9ji/ufc_rumble_johnson_vs_cormier.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408878/normal_603d32e05906c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417308/normal_5fe78ace2d08f.pdfIn PDF document text
    • http://vixitatevejiwo.getenjoyment.net/smith_and_wesson_model_915_sights.pdfIn PDF document text
    • http://xovuwowim.mypressonline.com/hp_photosmart_7525_scanner_not_working.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424689/normal_6026e3c152d01.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/sewamos/tropic_cancer_passes_through_which_states_of_india.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/infosys_freshers_interview_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/zasepo/11020295857.pdfIn PDF document text
    • https://s3.amazonaws.com/mujesogi/gonesesifovebizu.pdfIn PDF document text
    • https://s3.amazonaws.com/sitozi/naruto_vs_pain_theme_song.pdfIn PDF document text
    • https://s3.amazonaws.com/vobuturinivi/narugegesonefiwubefof.pdfIn PDF document text
    • http://kewevagisugimuw.onlinewebshop.net/google_image_search_size_filter.pdfIn PDF document text
    • https://s3.amazonaws.com/tigewibejageju/xufemugikus.pdfIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/31821653778.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.gnu.org/licenses/gpl.htmlIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00019cf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19CF6 5240 bytes
SHA-256: 4de2749cee9b0a086c358489aac705cad6f0c16f55f3b149f17a4501f830cc15
font_01_sfnt_off0001aead.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AEAD 7140 bytes
SHA-256: afc432c2c5421d33af874a5159f66af1a5b86eac8021fa43e5bee17be0122e21
font_02_sfnt_off0001c1f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C1F9 20988 bytes
SHA-256: 8d2d49e184594d365435aefc2f3d835510d6b74533b30b703c7858e9bafed8bd
font_03_sfnt_off0001ff48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1FF48 16344 bytes
SHA-256: c3bfaa5a4f58d462944bbaaa09de702fc0688b9ef11b85ecd6237654b5c46558
font_04_sfnt_off000214fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x214FD 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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