Malicious PDF — malware analysis report

Static analysis result for SHA-256 107ade1fba380561…

MALICIOUS

PDF

48.6 KB Created: 2020-08-05 15:57:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: df43c629901e94d0be854f65536c6240 SHA-1: f3c0f0393ff58df4303bdd056736d48869ee5e15 SHA-256: 107ade1fba3805614a81166b5434a34757ab0a93ee90a7c0e4926325a478f780
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL pointing to a redirector, which is also identified as an SEO link farm. This suggests the primary goal is to redirect users to malicious content.

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://ttraff.com/pify?keyword=gre+verbal+analogies+pdf In PDF document text
    • http://files.northernboatwholesalers.net/uploads/1/3/1/3/131380728/82081.pdfIn PDF document text
    • http://files.ptediting.com/uploads/1/3/1/8/131871816/nawesamojazefamovamo.pdfIn PDF document text
    • http://files.inspirare.co.uk/uploads/1/3/2/7/132740214/kolonibobazexumakoz.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/1/0433/4184/0534/files/28313192564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6365/7119/files/pantheon_cookie_clicker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5369/5647/files/46887393517.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1459/4466/files/79849063451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9340/9438/files/wigozapaxujenidaxuwadoma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7679/7081/files/19232916761.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7318/3645/files/darojudemogoxovovi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6627/7534/files/40009183859.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0385/3469/files/kimozazugiwifokopasetam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/ritadazupogepaguve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/gixexanonirugokosab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4244/8295/files/luvexelidujawepanedil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemisavixazesunomezixe.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_off00008043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8043 5440 bytes
SHA-256: 2ada88fb3c1d5ffb97098b43870b39ff1f512d68aefe720f24993237ebb9eb67
font_01_sfnt_off000092d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92D4 10112 bytes
SHA-256: 6b28b6a9da5807709ff3be34ed9c4c1c603d231d343a3a17a25bb65bd1daf960

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