Malicious PDF — malware analysis report

Static analysis result for SHA-256 2197fddccbcf8c69…

MALICIOUS

PDF

74.8 KB Created: 2021-04-10 16:08:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 9286a8a02b81a3e2cf161a4a003898e8 SHA-1: 191344c1d784aa51d475b4f7430c5a207e911509 SHA-256: 2197fddccbcf8c6924758fabb16ecc1e87716231b3393b5b01f6b7e11e513b35
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.Trojan. The embedded URL, https://pelibifir.ru/strik, is suspicious and likely leads to a phishing or malware distribution site. The document body, though heavily obfuscated, contains references to 'Battlefield of the mind bible large print', suggesting a lure to disguise the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://pelibifir.ru/strik?utm_term=battlefield+of+the+mind+bible+large+print PDF link annotation
    • https://cdn.sqhk.co/vigibizez/QhjgdDZ/bangladesh_embassy_in_oman_passport_renewal_form.pdfIn PDF document text
    • https://cdn.sqhk.co/wixexozesila/50Ke09Q/93508847965.pdfIn PDF document text
    • https://cdn.sqhk.co/jekurona/fod9ja6/41161624386.pdfIn PDF document text
    • https://cdn.sqhk.co/sikudile/cjdehjg/dancing_road_color_ball_run_game_online.pdfIn PDF document text
    • https://cdn.sqhk.co/xivomojuf/ji9jcgc/vlc_android_chromecast_no_video.pdfIn PDF document text
    • https://xavabakonoliwif.weebly.com/uploads/1/3/4/4/134477423/4511454.pdfIn PDF document text
    • https://josubolifixit.weebly.com/uploads/1/3/5/4/135400154/945161.pdfIn PDF document text
    • http://sesigugakipezov.22web.org/11108885091.pdfIn PDF document text
    • https://gapikedezasede.weebly.com/uploads/1/3/1/4/131438622/nulinonavuwu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_0df2b96d6115463daac4279296a6614b.pdf?index=trueIn PDF document text
    • http://katozelo.rf.gd/35416449143.pdfIn PDF document text
    • https://s3.amazonaws.com/fovezewi/voxowipabinolubaludozibeg.pdfIn PDF document text
    • https://s3.amazonaws.com/safago/forms_of_energy_worksheet_grade_2.pdfIn PDF document text
    • http://zakefozufasedi.epizy.com/format_code_atom_shortcut.pdfIn PDF document text
    • https://ddc7b23b-31e5-4b5c-aaad-d3b7cef26861.filesusr.com/ugd/e506b8_4961a24d427145959ed662ef55c61fa3.pdf?index=trueIn PDF document text
    • http://woruwewuxiv.rf.gd/34361254585.pdfIn PDF document text
    • https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_8952a79576fc4960a242b81df416f9ae.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fifomi/67479264334.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d49079b8-7614-4c12-9da6-c026e1dbd81c/busujipebaz.pdfIn PDF document text
    • https://s3.amazonaws.com/xeponodij/74476903389.pdfIn PDF document text
    • https://769966b8-4adc-437e-bba8-f198cf6e171b.filesusr.com/ugd/41a0b6_450a89708cf5400ea4b45cbb7ba4b97c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zuxime/86555351034.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c2ac9fc-c78f-44cd-b4f9-a1d5a931321f/xiroriviwajadupidotisa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec4d7787-3e7c-4ff7-ba23-5d4abb3c1cca/how_to_learn_arabic_language_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57de83ba-fd1f-43e3-8f0b-27e700b89391/rositowidegufifoluwir.pdfIn PDF document text
    • http://dizoran.epizy.com/current_transformer_amplifier_circuit.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e8c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8C6 5468 bytes
SHA-256: 42a854522da77e837d45620e15b5ad6d9eeb9cd2edf02e83362f0d69a0d47347
font_01_sfnt_off0000fb2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB2F 10052 bytes
SHA-256: 1413e8d8d4f1f380e21f75f772ab3f0a0b277fd752b0b46761ee1a30ac03a71c

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