Malicious PDF — malware analysis report

Static analysis result for SHA-256 175ee9b508d4c7dd…

MALICIOUS

PDF

39.5 KB Created: 2020-10-27 22:10:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: 1d3e822b55531dc274db6bec05026c9e SHA-1: f2fd3c6d1e59f09bc43a2fc83bcb84b64669c714 SHA-256: 175ee9b508d4c7dd4f55b648c0841a1d705a6e007218fc817520a1dc91ea170c
184 Risk Score

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.
  • 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.
  • 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/pify?keyword=seasons+hospice+%2526+palliative+care+dania+beach+fl In PDF document text
    • https://xojisige.weebly.com/uploads/1/3/1/6/131637148/gimepure.pdfIn PDF document text
    • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/pesovof.pdfIn PDF document text
    • https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/makokoxuto-fevabigeteb-tisavapaj-xiwatuximibasi.pdfIn PDF document text
    • https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/tevuwewogoka-fomikopomeg-nuximowa-zovavanivazibu.pdfIn PDF document text
    • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/nadatud_rijekido_makizogarogabo_rowujaxi.pdfIn PDF document text
    • https://fikepeti.weebly.com/uploads/1/3/4/4/134489659/7436200.pdfIn PDF document text
    • https://tenagudewujuga.weebly.com/uploads/1/3/1/1/131164273/pedusideda.pdfIn PDF document text
    • https://guxeximufi.weebly.com/uploads/1/3/4/2/134235584/fetewibiz.pdfIn PDF document text
    • https://wipaluxeko.weebly.com/uploads/1/3/4/3/134346688/793137.pdfIn PDF document text
    • https://pojutawetuje.weebly.com/uploads/1/3/1/3/131382470/5454014.pdfIn PDF document text
    • https://sifumoxijobobo.weebly.com/uploads/1/3/4/4/134493963/fezibogitaxu-labix.pdfIn PDF document text
    • https://jakemujilofadam.weebly.com/uploads/1/3/1/3/131380171/8264043.pdfIn PDF document text
    • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/tunapesebi.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005dda.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005dda.bin)
    • https://uploads.strikinglycdn.com/files/1205c8f1-f2a5-4053-881a-e549f9e0557c/nujuz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/efc7ac1e-e973-4776-8d13-2518dda6b770/38459325049.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/38ceb00d-5116-4fbe-86dd-e2ca4ec3424e/99748719053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/7915/3813/files/majemezabamemopox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/nokobomesegevega.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/6553/6412/files/35172697437.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8333/2773/files/dfo_summoner_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/8896/4503/files/kesugurulujusa.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 extracted file (font_00_sfnt_off00005dda.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005dda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DDA 4996 bytes
SHA-256: 0599debfec8794858a6697483ae43f4ee99ceb69791b0eabeb2f433af6d92270
font_01_sfnt_off00006ecc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ECC 9900 bytes
SHA-256: b3ce0b14eabc5cf621662f58996bdd4d11088fc44782a63a83f50788b4113ca9

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