Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e32d074ca9d60d3…

MALICIOUS

PDF

57.5 KB Created: 2020-10-20 00:48:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 26fdf5610ebf75dbce436098a46d7249 SHA-1: ff1dd70d2a86e0b30c94409ad7edd582fb5bada6 SHA-256: 5e32d074ca9d60d36aeeb5dbf568c4ed23ea9f3f166535460cec465e20b10bca
194 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.
  • 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.
  • 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://ggtraff.ru/123?keyword=intramuros+map+tour+guide In PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/delelides_dasexurekiwar_jajumab.pdfIn PDF document text
    • https://ritibamubube.weebly.com/uploads/1/3/1/4/131437410/2ab525a53081.pdfIn PDF document text
    • https://misutinulil.weebly.com/uploads/1/3/1/4/131407711/8315006.pdfIn PDF document text
    • https://pitimonajavigo.weebly.com/uploads/1/3/1/3/131383860/7526000.pdfIn PDF document text
    • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/5887223.pdfIn PDF document text
    • https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/188944365c.pdfIn PDF document text
    • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/9506eb3ef.pdfIn PDF document text
    • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/wowabaxisefidet-nikuvajekibesim-napoxalapa.pdfIn PDF document text
    • https://roninuvanajeg.weebly.com/uploads/1/3/1/3/131379749/vupiwavazewirobodir.pdfIn PDF document text
    • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/3959990.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372373/normal_5f8c89489d114.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367017/normal_5f872c387cb57.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369161/normal_5f883db20d7da.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387050/normal_5f8cc29ae2330.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/1/0433/9151/6839/files/21520156049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7987/4213/files/hodder_education_revision_guide_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/8021/3185/files/52837625484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/8744/4133/files/the_lost_ways_survival_book_ebay.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/2463/6823/files/wepaxutuziz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/6424/8470/files/koxajakuvexewarasowiradar.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

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_off00009adb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9ADB 5184 bytes
SHA-256: 421b12cc3b4b10fee73683efd20fed5c0cade896c35078eb4ce0eb00cd0d89fa
font_01_sfnt_off0000ac5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAC5D 14412 bytes
SHA-256: f13e5cfe28e27ae9ed63a16a6176c68cdbf65b65dd16ed7abbe6209ff4c4d7c5

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