Malicious PDF — malware analysis report

Static analysis result for SHA-256 60b59df3a422d7db…

MALICIOUS

PDF

70.0 KB Created: 2021-02-23 09:45:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: e13f4f9a71265fc34857bd20a7791b2a SHA-1: 927d508cde25bb5eebe4b33be2e9cacf4a6a91be SHA-256: 60b59df3a422d7dbaa4e70f58593f4ff746934dd113fabf24ba738a03c7b21be
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to 'jacksth.ru', which is likely a phishing or malware distribution domain. The document body, though heavily obfuscated, suggests a lure related to 'Panasonic cordless phone service center pune', aligning with common phishing tactics. No scripts were extracted, but the presence of external URIs suggests the document is designed to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jacksth.ru/strik?utm_term=panasonic+cordless+phone+service+center+pune PDF link annotation
    • http://vseti.life/71564363772ab7r4.pdfIn PDF document text
    • http://godulonu.22web.org/boxuvaxa.pdfIn PDF document text
    • http://nakrutkavk.site/ufc_strawweight_fighterspk6va.pdfIn PDF document text
    • https://cdn.sqhk.co/jarixizotib/jd7gepH/launchpad_lee_county.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463532/normal_5fd168751fc20.pdfIn PDF document text
    • http://halfraire.xyz/commodatum_contract_templateqy9ug.pdfIn PDF document text
    • https://cdn.sqhk.co/xizemeginu/3ie3S8m/hocus_pocus_2_idea_wiki.pdfIn PDF document text
    • https://cdn.sqhk.co/durotula/jbgeij8/merge_magic_cheats_android.pdfIn PDF document text
    • https://cdn.sqhk.co/jedugifaxido/jfrhgRh/hallmark_channel_series_on_netflix.pdfIn PDF document text
    • http://pusuwanoxanopo.22web.org/maggie_and_milly_and_molly_and_may_questions.pdfIn PDF document text
    • https://cdn.sqhk.co/tememagitapo/Yidjhid/hydro_dipping_with_spray_paint_deer_skull.pdfIn PDF document text
    • https://cdn.sqhk.co/jabupexipa/RP372he/origami_love_heart_easy.pdfIn PDF document text
    • http://nout-prokat.website/dirafawwro5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wobuzisibal/bharata_muni_rasa_theory.pdfIn PDF document text
    • http://rubujizuz.epizy.com/how_to_program_directv_genie_remote_control.pdfIn PDF document text
    • https://s3.amazonaws.com/xasovewipeje/57518508201.pdfIn PDF document text
    • http://musarozopod.rf.gd/34707230858.pdfIn PDF document text
    • https://s3.amazonaws.com/vufuzewasi/fobabel.pdfIn PDF document text
    • https://s3.amazonaws.com/mikibetiv/bushnell_the_truth_rangefinder_owners_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/82978555042.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_off0000d29e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD29E 5220 bytes
SHA-256: 4549c2bcd577976c4a62acf97d014d7b89fa6b791509afd90a4fa276be3ad1fb
font_01_sfnt_off0000e45d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE45D 11376 bytes
SHA-256: 0b9af1def29c3a10e318912b55b46885d5754cd8213f9399196c6536f6d40c08

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