Malicious PDF — malware analysis report

Static analysis result for SHA-256 88b160d776ab6d4c…

MALICIOUS

PDF

407.2 KB Created: 2022-04-08 18:57:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: 0f99d982dda6e8d5ad46132d3e2ef2c1 SHA-1: 63d78842cbc8e60d5df276073389ecee64fe7157 SHA-256: 88b160d776ab6d4c148c8cefbd00d0a02fffa351688c953838a6bb01679f7c7a
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7552

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://fecuq.co.za/XSRYdR1H?utm_term=gas+turbine+theory+saravanamuttoo+6th+edition+pdf PDF link annotation
    • https://lanna-flyingclub.com/ckfinder/userfiles/files/favemewu.pdfIn PDF document text
    • http://noithathoaphat11.com/upload/files/kirek.pdfIn PDF document text
    • http://devison-matras.com/upload/file/3182979566.pdfIn PDF document text
    • https://ssmavidiyar.com/public/content-images/files/veporizezelafupadirika.pdfIn PDF document text
    • https://bestofbucerias.com/upload/file/74317112595.pdfIn PDF document text
    • http://archive-2011.humandoc.pl/attachments/file/78110149455.pdfIn PDF document text
    • http://htk2.altrodesign.eu/ckfinder/userfiles/files/tabimalibetelifoxibugag.pdfIn PDF document text
    • https://sukienmiennam.com/userupload/files/jujuvo.pdfIn PDF document text
    • https://phs1267.com/singhania/downloads/file/7207742683.pdfIn PDF document text
    • https://fabballet.com/ckfinder/userfiles/files/95558317614.pdfIn PDF document text
    • https://morizuni.weebly.com/uploads/1/3/4/6/134606759/pufivejukifaxojuki.pdfIn PDF document text
    • http://rymwid-training.com/userfiles/file/96605417735.pdfIn PDF document text
    • https://kema.macroweb.hu/files/file/23308726708.pdfIn PDF document text
    • https://chinatupai.com/web/js/ckfinder/userfiles/files/8951715792.pdfIn PDF document text
    • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/21a0ccefd4a76a2fd489c5e7aa2e04f6/26256543090.pdfIn PDF document text
    • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/rexujotabetimekunufo.pdfIn PDF document text
    • http://flathead.herosuite.com/userfiles/file/sopub.pdfIn PDF document text
    • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/68978141334.pdfIn PDF document text
    • https://topukutenikoxi.weebly.com/uploads/1/3/4/6/134668920/tisodege.pdfIn PDF document text
    • https://dudakodut.weebly.com/uploads/1/3/4/4/134497067/garotoja-sotopobepam.pdfIn PDF document text
    • https://www.aatae.pt/backoffice/assets/js/kcfinder/upload/files/muvawujojafafexexiv.pdfIn PDF document text
    • https://www.ijestr.com/ckfinder/userfiles/files/varutibabowezanamivamu.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0005cc85.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005cc85.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005cc85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CC85 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0005e496.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E496 16336 bytes
SHA-256: adf38969d40f501586e0caf93d33991e243baeeecfe575c4831cdbf64b7044fa
font_02_sfnt_off0005fa94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA94 20552 bytes
SHA-256: c7459ea9848505f3cccc5e5b36dac50cf4bd595805189e4309e47c38520eaaf3
font_03_sfnt_off00063108.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63108 11344 bytes
SHA-256: f3dba19c32de0ebf4bceb8fcc48d0a62dc047630f5fe152b895f236e9d60fd7b

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