Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cade632a6d321b8…

MALICIOUS

PDF

42.0 KB Created: 2020-08-18 19:28:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5cb932042b58934f11c12535eff41156 SHA-1: 1584162a0676397bb40d54c7104308c60ee31231 SHA-256: 3cade632a6d321b8530be304e7454fbd05238e69cf270afda1a4dd3abc559720
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to Shopify domains, designed to appear as legitimate documents or maps. One prominent link, 'https://ttraff.ru/pify?keyword=oslo+central+station+platform+map', redirects to known malicious infrastructure. This indicates a link farm or SEO poisoning tactic to drive traffic to malicious sites.

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.ru/pify?keyword=oslo+central+station+platform+map In PDF document text
    • http://gajer.lisacorbit.com/uploads/1/3/0/7/130740169/bb646.pdfIn PDF document text
    • http://files.circlesofnature.com/uploads/1/3/1/4/131408142/884cf9f2fb9.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/1/0434/1825/5510/files/bogidozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0864/7580/files/kekelejujowewatu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7194/6398/files/vaziv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8461/0712/files/soririmezarure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7333/9559/files/pojimibusaxevepukixudol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8576/6564/files/diladijomoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4121/6917/files/rutefunixinu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6145/1681/files/adobe_reader_scan_to.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3371/3050/files/bowumodavazaxobuwavat.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 1

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_off000067dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67DC 5188 bytes
SHA-256: 669220e8f3f31d5d2b5b72d2fad8417b6484d0261ce44c4801b797ce78f3c947
font_01_sfnt_off00007964.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7964 9888 bytes
SHA-256: 89a6ca6bd3db12a7eba7e9a5acebae0de38ff31e146433dcdb21819e3e6564fd

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