Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69034d92e52998b…

MALICIOUS

PDF

70.4 KB Created: 2021-02-18 22:41:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 46a92d0755c58e2da19b45826cbcc217 SHA-1: c76eaa1959d666b7736bc750e66bd44634b39113 SHA-256: f69034d92e52998bee0e6150f273b8d5e7fbab1dddcffe4c84edd1fdf15737af
194 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
  • 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.
  • 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/wix?keyword=craftsman+1%252F2+hp+garage+door+opener+manual+54985 In PDF document text
    • https://static.s123-cdn-static.com/uploads/4529087/normal_5ffa98627324c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486034/normal_5ff9f9608e7f6.pdfIn PDF document text
    • https://gizetaxawu.weebly.com/uploads/1/3/1/8/131871526/silatifisavibajim.pdfIn PDF document text
    • http://busevabafumoje.iblogger.org/76778519825.pdfIn PDF document text
    • http://fekabonan.22web.org/hankering_crossword_answer.pdfIn PDF document text
    • https://pexajutamog.weebly.com/uploads/1/3/4/7/134759810/4270001.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468814/normal_600bca7c8c8b1.pdfIn PDF document text
    • https://xemizumelisiga.weebly.com/uploads/1/3/1/8/131856695/4013105f6c.pdfIn PDF document text
    • https://texoxarisozitew.weebly.com/uploads/1/3/0/9/130969357/loziri.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410989/normal_5ff394ff6b583.pdfIn PDF document text
    • https://kitawusew.weebly.com/uploads/1/3/4/2/134234725/fc187e.pdfIn PDF document text
    • https://fiwisito.weebly.com/uploads/1/3/4/7/134715438/6377310.pdfIn PDF document text
    • https://fizijoju.weebly.com/uploads/1/3/0/8/130814030/kenigurutodoxazon.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://miviguwi.epizy.com/ditonowiw.pdfIn PDF document text
    • https://s3.amazonaws.com/mulerux/social_compliance_audit_report_sample.pdfIn PDF document text
    • https://s3.amazonaws.com/fefurorobumi/eagle_circuit_simulator_free.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/bloody_roar_2_iso_file_for_android.pdfIn PDF document text
    • http://vutafinaragod.rf.gd/academy_stars_platform.pdfIn PDF document text
    • https://s3.amazonaws.com/julexekubaj/html_to_library_java.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_off0000d440.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD440 6144 bytes
SHA-256: 9b8bcc138960ed7878f23da33f869eec4d9bde1e8e103cdaa49a09b3de26f86d
font_01_sfnt_off0000e910.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE910 10156 bytes
SHA-256: 73fb96defd9459b5aba7f64f7731d480add540e137e8883ff6aa9055b9ad30e5

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