Malicious PDF / .VIR — malware analysis report

Static analysis result for SHA-256 03599e84a148f2f5…

MALICIOUS

PDF / .VIR

847.5 KB Created: 2023-04-19 12:05:31 Authoring application: Scribus First seen: 2024-04-09
MD5: f6307c77418cd305c3ebb8229cd24ae7 SHA-1: 8664b4f40771b6a00cc68096e41d305a4f5dd629 SHA-256: 03599e84a148f2f53ec4239fd8e0edef86a40c65a94156d07c4aafd09c7e0a3d
216 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7295

Heuristics 7

  • 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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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.
  • Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASION
    PDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
  • 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://adservice.google.com.kw/ddm/clk/426382440;228185261;d;;%3F//xilazufa.jensenholland.net/kotaw.pdf In PDF document text
    • https://begukod.mefabuzu.cfd/fewiwit.pdfIn PDF document text
    • http://jeluva.awake-together.org/82.pdfIn PDF document text
    • https://getting-over-you-book-pdf-free.nuvefidi.cfd/mogufobixon.pdfIn PDF document text
    • https://adservice.google.co.ma/ddm/clk/295204063;122181591;w;;%3F//xuron.gutopame.cfd/10.pdfIn PDF document text
    • http://pdf-diary-of-a-wimpy-kid.fiberopticcablechina.com/156.pdfIn PDF document text
    • http://adservice.google.com.sl/ddm/clk/310682673;138356009;g;;%3F//vogais-para-imprimir-pdf.nanosolvo.com/753.pdfIn PDF document text
    • http://adservice.google.com.et/ddm/clk/408533097;208818505;l;;%3F//chapter-7-study-guide-cellular-respirati.beardyandthebus.com/9041109.pdfIn PDF document text
    • https://tesosal.haviol.co.za/158357125580664344?wapogimenadaninogilulalugofirabexupejemiwutuwatovipifuvafefugeveresewokax=fudiwaxoxekagaguwisoxodulujowofemuxoxijodudisijikasuguvadalizepitoxudejikojejitirisonutepobagoganuvotululuvisaxeditujelixaforolagirosudajolapijidizujumapinunidutulinagorabomowopikevetovanixunezajorepatefeli&utm_term=surah+maryam+pdf+english&fajegiwopunigutamasipizuxupupu=kovefanukilupuzaxizifawidowogijipinetevidilobesaxakurunoporugobewefizodamapelunawuduvexajitejatebaxaturavifixedasilunekesagilefupipopikegaIn PDF document text
    • http://lg-ultimate-2-user-manual-pdf.knowyourcontract.com/529.pdfIn PDF document text
    • https://tesosal.haviol.co.za/158357125580664344?wapogimenadaninogilulalugofirabexupejemiwutuwatovipifuvafefugeveresewokax=fudiwaxoxekagaguwisoxodulujowofemuxoxijodudisijikasuguvadalizepitoxudejikojejitirisonutepobagoganuvotululuvisaxeditujelixaforolagirosudajolapijidizujumapinunidutulinagorabomowopiPDF link annotation
    • https://tesosal.haviol.co.za/158357125580664344?wapogimenadaninogilulalugofirabexupejemiwutuwatovipifuvafefugeveresewokax=fudiwaxoxekagaguwisoxodulujowofemuxoxijodudisijikasuguvadalizepitoxudejikojejitirisonutepobagoganuvotululuvisaxeditujelixaforolagirosudajolapijidizujumapinunidutulinagorabomowopikevetovanixunezajorepatefeli&utm_term=surah+maryam+pdf+english&fajegiwopunigutamasipizuxupupu=kovefanukilupuzaxizifawidowogijipinetevidilobesaxakurunoporugobewefizodamapelunawuduvexajitejatebaxaturaviPDF link annotation
    • http://adservice.google.gl/ddm/clk/408405163;208572896;n;;%3F//honda-fit-service-manual-pdf.myholidaylawn.info/4265660.pdfIn PDF document text
    • https://adservice.google.ro/ddm/clk/448794861;252804937;a;;%3F//dorikepu.mudonawudi.cfd/welunotit.pdfIn PDF document text
    • https://adservice.google.gm/ddm/clk/300948314;127869103;e;;%3F//vuvara.jidurudi.cfd/sugef.pdfIn PDF document text
    • http://adservice.google.bt/ddm/clk/424929466;226923624;r;;%3F//cracker-barrel-riverview-fl.eastcoastbooking.com/47.pdfIn PDF document text
    • https://adservice.google.la/ddm/clk/310682673;138356009;g;;%3F//nao-mendigue-afeto-pdf-gratis.gazazakik.cfd/moziretame.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 (stream_004_off000ce938.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_004_off000ce938.bin)
    • http://gnu.org/licenses/gpl.htmlIn extracted file (font_02_sfnt_off000d21f9.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000ce938.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xCE938 31680 bytes
SHA-256: 20a0ea7b6babd007b466a4a44e88a242be6a163da03f040dd2ce0deafe0e3453
font_00_sfnt_off000cbf26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBF26 16344 bytes
SHA-256: 3ba58cf5cfa37ce4177f62ab23bf4b8f6049889be7512ee8de5eaa95f44bce2e
font_02_sfnt_off000d21f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD21F9 2920 bytes
SHA-256: b74a4bc1818cce9f89308b8ab2ff086cc3aab5716a671a80caaa9f25f4632b0a