Malicious PDF — malware analysis report

Static analysis result for SHA-256 06da0a464695e72f…

MALICIOUS

PDF

50.0 KB Created: 2020-08-11 22:00:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3966b3a5588246fade63e5de381198a3 SHA-1: 66d461f272e95e0ff6fa1e857b1a9329f1112f78 SHA-256: 06da0a464695e72f786f45962a959c5b85aff33e1acbdaef957da72fa4dd7a15
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to what appears to be an SEO link farm designed to redirect users. The primary redirector URL is identified as malicious. The document body, though heavily obfuscated, contains the malicious URL and other benign-looking PDF links, suggesting a phishing or scam attempt. No scripts were extracted, but the heuristic firings strongly indicate malicious redirection behavior.

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=blockchain+decrypted+for+2020+pdf In PDF document text
    • http://files.thebookboyfriend.net/uploads/1/3/2/7/132740480/3409920.pdfIn PDF document text
    • http://files.catwalkgodalming.com/uploads/1/3/0/8/130814758/852958.pdfIn PDF document text
    • http://files.cultivatemusicstudio.com/uploads/1/3/0/7/130740097/xuguj.pdfIn PDF document text
    • http://files.shannonbayliss.com/uploads/1/3/2/3/132303010/2169624.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/1/0437/8833/7313/files/wotibe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6520/3093/files/selection_does_not_contain_a_main_type.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9838/3260/files/binomial_probability_practice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2828/1506/files/95352355255.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6666/1800/files/nijomex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5216/3482/files/kuridiwevabivuwo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7824/6815/files/jiwinikivaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4102/9276/files/pibinuvugizoxitoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8947/7273/files/subject_verb_agreement_worksheets_grade_6.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4351/8629/files/83714353035.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2613/6743/files/8331306236.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/58271618992.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 4

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_off0000831e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x831E 5556 bytes
SHA-256: 16a190607accaa9950fc6af7e7a18047356b3ead68eef5b02d9d8677164a8ae9
font_01_sfnt_off000095f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95F9 10724 bytes
SHA-256: 667b447735e5fe09f154db91d9f53b3ff86e326f43f9ec0619e9bce6ec9b46cd

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