Malicious PDF — malware analysis report

Static analysis result for SHA-256 0888ebe466806b51…

MALICIOUS

PDF

46.8 KB Created: 2020-10-26 02:08:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 0fda86a36a848d8f0beca4d0429a6c1d SHA-1: e44da28ebc8a14ec18c2e46f7e7e45fa21e8874e SHA-256: 0888ebe466806b514cbd80a1b0fca725406c209b7815d5f533c602907e2ec12c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link disguised as a game download, which redirects to a malicious URL. It also features a large number of external links, many pointing to Shopify, suggesting a link farm for SEO manipulation or to host further malicious content. The presence of a password-protected archive lure indicates an attempt to bypass security scanning.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://ttraff.link/123?keyword=android+pass+and+play+games+free In PDF document text
    • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/3325135.pdfIn PDF document text
    • https://salofapaj.weebly.com/uploads/1/3/4/3/134314320/xiditapibukizod-kusixufirilasok.pdfIn PDF document text
    • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/gaxawavoziduvit.pdfIn PDF document text
    • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bigunurusipota_vovavubavuw_malolipesafa.pdfIn PDF document text
    • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/lofisujopug.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/2819/5739/files/xml_schema_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/5747/9321/files/futodizemofijupigox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4548/5725/files/aprilaire_5000_electronic_air_cleaner_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5296/5789/files/apk_fb_lite_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/7981/0203/files/analogias_verbales_ejemplos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/0075/6891/files/2020_evinrude_9.9_4_stroke_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6759/6191/files/colin_kaepernick_t_shirt_canada.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/4660/3414/files/64126410862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/0184/6181/files/37179504057.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/9241/6946/files/zesazotitotewuxozonip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4365/9677/files/kaxokezifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/9931/1268/files/mcafee_endpoint_security_threat_prevention_product_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2454/0071/files/9178490403.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/8802/7056/files/22703764868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9155/8551/files/61558862109.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006699.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6699 5452 bytes
SHA-256: 6800b1dcc5e099a3e1811445e1ca9ef2e5bb80f6f52e2cb742f7af66b9cf5b5d
font_01_sfnt_off00007909.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7909 1680 bytes
SHA-256: debaf3ff37cadd88e03f56a1da1b20b0676acbb0c2dfc7de7569b922f44b7b54
font_02_sfnt_off00008156.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8156 13516 bytes
SHA-256: a4d23fe4d92d507e04255145c1e65ee1f52c41f207fb32bb55ed824071007940

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