Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ad86a723c40e214…

MALICIOUS

PDF

40.6 KB Created: 2020-08-21 07:59:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9417710bd8cdf9b941fb68184d7c7f34 SHA-1: 913344a31fb9718c3dee2145e7250c1f01449a3b SHA-256: 6ad86a723c40e2141800bb8399daee41037e8bf0293ee75e51c4e93b4ab43146
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to Shopify domains hosting other PDFs, and a primary redirector URL. The document body, though heavily obfuscated, contains the redirector URL and appears to be a lure for downloading an application. The presence of multiple PDF links suggests a link farm or SEO poisoning tactic to distribute 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=radarscope+3.+7+apk In PDF document text
    • http://files.jandlcustomupholstery.com/uploads/1/3/0/9/130969356/b5251e3.pdfIn PDF document text
    • http://files.davidjsimpsonart.com/uploads/1/3/0/7/130776819/mumoxineruf_josite.pdfIn PDF document text
    • http://files.littlehandsomez.com/uploads/1/3/0/8/130874120/e9c4124d3ff4b.pdfIn PDF document text
    • http://files.reditusministry.org/uploads/1/3/1/0/131070560/85abd3a7f8246.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/1/0433/8722/4214/files/56415741198.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7835/2034/files/devopoxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1929/5130/files/forumamebavodifolegitu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2492/5347/files/tesulorora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7630/4544/files/gisofap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2949/5959/files/46963775491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4746/0768/files/47094872434.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9064/8996/files/4649178203.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2909/3800/files/problemas_de_caida_libre_fisica_resueltos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8198/0317/files/importance_of_job_analysis_in_hrm.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3019/8937/files/die_bremer_stadtmusikanten_text.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 6

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_off0000602f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602F 5384 bytes
SHA-256: ca750f618864081d3904c376242a9176ecaed08cba5d83136152c63a8a7a5208
font_01_sfnt_off0000729d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x729D 10300 bytes
SHA-256: 58f302388cc48774800cd13c844ba3aeebf1444f9cc87d463695776c10753ecf

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