Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccf38347a0b6dff0…

MALICIOUS

PDF

69.0 KB Created: 2021-02-16 05:39:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: d9a6326ff3dc32c6038e1e187f77d80e SHA-1: ac6296454c5f2975976143bac3080f8319b97287 SHA-256: ccf38347a0b6dff0cebfb186cd2853d1424af80b027f06f78fa449bb00d006a0
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jottigo.ru/123?utm_term=original+nespresso+aeroccino+plus+lid+with+gasket+for+model+%25233192 PDF link annotation
    • http://instapriz.site/53389712890a5o3y.pdfIn PDF document text
    • https://cdn.sqhk.co/penuvipaw/iXEZ7gf/18197546972.pdfIn PDF document text
    • https://cdn.sqhk.co/tutabalero/jrghkhi/38407611246.pdfIn PDF document text
    • https://cdn.sqhk.co/gusoguribus/haEkihX/pang_adventures_buster_edition_ps4.pdfIn PDF document text
    • http://oneitstore.info/payday_2_god_mode_mody6he1.pdfIn PDF document text
    • https://cdn.sqhk.co/dederubap/p8gfhdZ/78200397697.pdfIn PDF document text
    • https://cdn.sqhk.co/texojijoraso/34ijjdo/piano_tiles_alan_walker_dj_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/kofuvufexo/f8zqjit/weed_tester_application.pdfIn PDF document text
    • http://fastpysystem.online/setbackgroundcolor_android_int31h34.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/jafujasiwetid/system_approach_to_human_resource_management.pdfIn PDF document text
    • http://xoxozuzupa.rf.gd/zasatilorilipefomapel.pdfIn PDF document text
    • https://s3.amazonaws.com/xepululejiwof/joey_bosa_injury_report.pdfIn PDF document text
    • https://s3.amazonaws.com/jotogorurekuro/88361598512.pdfIn PDF document text
    • https://s3.amazonaws.com/jejulurowev/happy_birthday_to_you_song.pdfIn PDF document text
    • https://s3.amazonaws.com/vebisop/mepalijomikolizir.pdfIn PDF document text
    • https://s3.amazonaws.com/bejexe/adobe_photoshop_express_windows_7.pdfIn PDF document text
    • https://s3.amazonaws.com/janodojivi/dirajenuvivosarebisamesor.pdfIn PDF document text
    • https://s3.amazonaws.com/kibavutibeved/rimovojawofaturasugom.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_off0000cd6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD6A 5752 bytes
SHA-256: c290fd39f99e76851adc5cd673d3ee879e41f0639a4352db86597abf7b58609d
font_01_sfnt_off0000e0e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0E8 11016 bytes
SHA-256: d351cfdbc0adbf3ed5263ff7a89efded64828ddb48ca849073e6054ba8c8f2e3