Malicious PDF — malware analysis report

Static analysis result for SHA-256 523441fb444af3c5…

MALICIOUS

PDF

42.3 KB Created: 2020-08-06 08:42:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fa892d322c43861c031ab2872987abd4 SHA-1: 78d8a5045bf6b63e528006df4ade31c01c42f609 SHA-256: 523441fb444af3c5e3e49583e6904c38a5d6c028e065829494fb54d30c0d6af1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to 'side effects of antiepileptic drugs pdf', likely to entice users to click the malicious link. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on cdn.shopify.com, further supporting a malicious intent to distribute content or redirect users.

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.cc/pify?keyword=side+effects+of+antiepileptic+drugs+pdf In PDF document text
    • http://files.justpeoplelikeus.com/uploads/1/3/1/4/131484133/salazokewus.pdfIn PDF document text
    • http://files.evaslebanesecooking.com/uploads/1/3/1/4/131453453/lobozotin.pdfIn PDF document text
    • http://files.susie-carter.com/uploads/1/3/0/7/130739225/fapalovowomejipuvop.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/1/0435/4942/5823/files/gowexarajufunotilet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1321/6168/files/46637404781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/koxumugude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9354/1535/files/gimonodojumubogudozax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5325/9679/files/xoleduvizutaxoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/john_deere_la_115_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9306/5881/files/vcf_to_files.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0119/2352/files/nudomitafujen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1434/8197/files/30345960752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0934/2621/files/dewoluwewugupebepawefad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6666/1800/files/dugovufuxitufutetoxafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8107/1782/files/bodevefopamixore.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_off00006760.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6760 5424 bytes
SHA-256: 8a27cc9386295eaefed748ed074b5592ee232f5257e361923034a5f332a2aeb6
font_01_sfnt_off000079e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79E9 10028 bytes
SHA-256: f5cae6dedc34142102f03fb8821cc454ce2d9155090a6249d0b798d73cc8ac13

Open this report in the interactive analyzer, or submit your own file for analysis.