Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ebea0e0107ddbce…

MALICIOUS

PDF

70.6 KB Created: 2021-02-05 05:41:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 8a16f2611d289c674ae666f0290f1306 SHA-1: 9257d490d94ee4dd4ee7474cd7f64aae44dc5df4 SHA-256: 6ebea0e0107ddbce3f701bc25a7da313f72a9d44f8970f77eceb941f0d2de462
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://crophysi.ru/aws?utm_term=mozilla+firefox+52+version+free In PDF document text
    • https://bitipares.weebly.com/uploads/1/3/1/3/131379103/vosaka.pdfIn PDF document text
    • https://lipemegovaw.weebly.com/uploads/1/3/4/7/134766771/6260541.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454825/normal_5fc94d8b4a559.pdfIn PDF document text
    • https://pobunusegem.weebly.com/uploads/1/3/4/4/134460984/c02e2d93434be.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388619/normal_5fcd67657e349.pdfIn PDF document text
    • https://duruzamuxe.weebly.com/uploads/1/3/2/3/132302842/f600b7.pdfIn PDF document text
    • https://tesurupijirixu.weebly.com/uploads/1/3/0/8/130813669/daxopotopo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481828/normal_601c7197294ac.pdfIn PDF document text
    • https://cdn.sqhk.co/salasereki/X3ghcyl/hellofresh_trial_box_discount_code.pdfIn PDF document text
    • https://jovonawokemurif.weebly.com/uploads/1/3/4/6/134678447/2264827.pdfIn PDF document text
    • https://xigokujote.weebly.com/uploads/1/3/4/6/134649591/kepezafumusim.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/vasofirida/89660317823.pdfIn PDF document text
    • https://s3.amazonaws.com/zulezov/ziripefigifewimaleruwoju.pdfIn PDF document text
    • https://s3.amazonaws.com/xulepiwa/saaho_movie_songs_free_telugu.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/alien_vs_predator_game_pc_free.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_off0000d6ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6EE 5200 bytes
SHA-256: 3631d16a73fc5cff8859bc5f3929f7d7a2fe04c9f77429dec1e691309b499c39
font_01_sfnt_off0000e8d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8D9 10896 bytes
SHA-256: c7da9e5e22e17384eefbeca6b201cdb075f59f84e4111661f7575b7260f95174

Open this report in the interactive analyzer, or submit your own file for analysis.