Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9dc6160ff4015f5…

MALICIOUS

PDF

69.3 KB Created: 2021-03-06 22:04:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 5133a805bcb2e7f170de32b817cdfcbb SHA-1: 07119117dd9adbac6b3aca787a7a061f749f1c0e SHA-256: e9dc6160ff4015f5eac2783bf7b58a709e89360f56c93a9a0905ed20bf2ccbbd
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://maypoin.ru/wix?keyword=12x7x17+paper+bag PDF link annotation
    • http://particulieres-societegenerale.best/21301267171bzeyk.pdfIn PDF document text
    • https://nawiwunusuwo.weebly.com/uploads/1/3/2/7/132741181/bepeledor.pdfIn PDF document text
    • https://vefonero.weebly.com/uploads/1/3/1/0/131070196/63ab3ce4ee5.pdfIn PDF document text
    • https://buxexemap.weebly.com/uploads/1/3/4/8/134890763/tizimuseg.pdfIn PDF document text
    • https://xapeposatu.weebly.com/uploads/1/3/1/4/131437079/12c20b475.pdfIn PDF document text
    • https://pizijejubuga.weebly.com/uploads/1/3/4/8/134883891/6870145.pdfIn PDF document text
    • http://milanbeach.fun/gajar_halwa_videoxkm9o.pdfIn PDF document text
    • http://igcopyrightverify.com/49431371158omk0f.pdfIn PDF document text
    • https://gavuwexis.weebly.com/uploads/1/3/4/7/134772394/nesijutojiz.pdfIn PDF document text
    • https://guwagigiruf.weebly.com/uploads/1/3/5/3/135303004/deririminaweraluri.pdfIn PDF document text
    • http://paselon.getenjoyment.net/jevutuk.pdfIn PDF document text
    • http://kipokefurur.mygamesonline.org/internal_reflux_still_plans.pdfIn PDF document text
    • http://perevod-card2card24.site/93617678074n1fi7.pdfIn PDF document text
    • http://erse.xyz/19074019279cq0jt.pdfIn PDF document text
    • http://mitsumoro.ru/towuwibozirufaxa7t3up.pdfIn PDF document text
    • http://f1l3download.site/what_age_is_the_bfg_book_suitable_for05ikr.pdfIn PDF document text
    • https://ganokupojedozo.weebly.com/uploads/1/3/4/8/134890080/7082280.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/divelatoxa/pogelof.pdfIn PDF document text
    • http://kabuzore.atwebpages.com/94145114637.pdfIn PDF document text
    • https://s3.amazonaws.com/xefezesebusu/dujigix.pdfIn PDF document text
    • https://s3.amazonaws.com/gowebabuxogiro/96503887217.pdfIn PDF document text
    • https://s3.amazonaws.com/fowikorejodi/xabajowavowesa.pdfIn PDF document text
    • https://s3.amazonaws.com/punagilelabon/logos_quiz_level_10_answers_with_pictures.pdfIn PDF document text
    • http://watusatuvor.myartsonline.com/50355242188.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_off0000d40a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD40A 5156 bytes
SHA-256: 837d31a818eda838658aadf342b1739be81d4f2eeaf8995dbe79078c8d34de74
font_01_sfnt_off0000e5b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5B1 10116 bytes
SHA-256: b145c698581c4ac027dfabab18fdd21a84e40b10878cdc1bc42c4fac19eac397

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