Malicious PDF — malware analysis report

Static analysis result for SHA-256 e704b2735234e941…

MALICIOUS

PDF

349.8 KB Created: 2022-06-25 10:45:54 +03:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 5.15.4) First seen: 2022-07-15
MD5: 05c364b29c91d58ac9cc7c208b7eecc0 SHA-1: 5cfc8a3b672b978f8d2651d6a1fbafe95aa86a3c SHA-256: e704b2735234e9410188f3e286d43665a294a5d7ed9ecaed249c4f7a424e527a
76 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded image lure that redirects to a malicious URL, identified as a free-download phishing attempt. The ML classifier also flagged the PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to lead the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5049

Heuristics 4

  • 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://loheb.co.za/M2HxxccK?utm_term=subway+surf+money+glitch PDF link annotation
    • https://rusapaja.weebly.com/uploads/1/3/4/6/134617617/jegexowexetaxin.pdfIn PDF document text
    • https://lidetebij.weebly.com/uploads/1/4/1/3/141305747/bidulexokenekebogif.pdfIn PDF document text
    • https://sadavixiji.weebly.com/uploads/1/3/5/3/135333995/faranef.pdfIn PDF document text
    • http://cosmik-kinoteatr.ru/sadm_files/38487663159.pdfIn PDF document text
    • https://karsdanapazari.com/panel/kcfinder/upload/files/forivasiladur.pdfIn PDF document text
    • https://nirulutot.weebly.com/uploads/1/3/4/7/134700174/vogasomu.pdfIn PDF document text
    • https://lerozezowigex.weebly.com/uploads/1/3/0/7/130776164/9283220.pdfIn PDF document text
    • https://bomusega.weebly.com/uploads/1/3/4/6/134656079/1292233.pdfIn PDF document text
    • https://pozetegafikule.weebly.com/uploads/1/3/4/8/134857311/vivemesakifa.pdfIn PDF document text
    • https://sabijodamibig.weebly.com/uploads/1/3/0/7/130775907/aec927.pdfIn PDF document text
    • https://imagebeaute.fr/userfiles/file/gurixige.pdfIn PDF document text
    • https://fasepilof.weebly.com/uploads/1/3/1/1/131163931/b011de66c7e9d.pdfIn PDF document text
    • http://gldbirdgel.com/user_img/files/vijuvejibobusix.pdfIn PDF document text
    • https://zudevaxolow.weebly.com/uploads/1/4/2/0/142033375/3397f34c1665.pdfIn PDF document text
    • https://ronuvaruv.weebly.com/uploads/1/4/1/3/141344912/melerowom.pdfIn PDF document text
    • https://investkwik.com/userfiles/file/91013179128.pdfIn PDF document text
    • https://zorowogune.weebly.com/uploads/1/4/2/0/142049111/6497663.pdfIn PDF document text
    • https://teduzagegoxow.weebly.com/uploads/1/3/4/4/134400331/5530771.pdfIn PDF document text
    • http://www.bitstream.comIn 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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004eab8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EAB8 3684 bytes
SHA-256: c37686ed1a888d56adcc43730e8486826b5714097c878fc2eb4fb514a1d5e951
font_01_sfnt_off0004f9a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F9A9 10384 bytes
SHA-256: ca4a5da52eddb2ac15e53e42dbaa52e9e3d7b64ccc1549fad069441a28db49f5
font_02_sfnt_off0005131f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5131F 8856 bytes
SHA-256: 44c8af1385b163023526d0c5a4425e44828f10cb29aa1f39a301671e07e3757a
font_03_sfnt_off0005279b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5279B 16476 bytes
SHA-256: ee058d5845ff4022b120469eb675c5c9b7866a3bdb87a6e4443e0123163287bf
font_04_sfnt_off000553e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x553E9 9224 bytes
SHA-256: 22f7dd6a1d500d12a7e1b5046b9a7db8b2d57d4d1b48d661465e24f703ef1a8d

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