Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d7bf4d0a86227aa…

MALICIOUS

PDF

44.3 KB Created: 2020-08-14 22:43:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 713bbf8ca9a326fe26724e57493863ce SHA-1: 5793627a2faafe2a4cd995604e1ce7dae14ee6d2 SHA-256: 1d7bf4d0a86227aace35573906db6c912ad9ae652abb9560ac4d9c4b2c92a8e2
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=beach+wedding+invitations+templates+free'. The document body, though heavily obfuscated, contains text related to 'beach wedding invitations templates free', suggesting a lure to entice users to click the malicious link. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the ultimate malicious destination.

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=beach+wedding+invitations+templates+free In PDF document text
    • http://xodud.theposhlifeoffashion.com/uploads/1/3/1/6/131637881/gutijasawu.pdfIn PDF document text
    • http://manotoja.jimhockenhull.com/uploads/1/3/1/0/131070590/sedufa_buwamolonekipof_saxagawulit_tisatuse.pdfIn PDF document text
    • http://xalewo.beverlygordon.info/uploads/1/3/1/0/131070442/0eea266b.pdfIn PDF document text
    • http://files.maridaymassage.com/uploads/1/3/2/6/132682833/cc79af3fcf51.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/1/0427/7963/9967/files/46149189231.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0346/9206/files/bumurogixivonagiti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0372/9304/files/27732250333.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9822/7353/files/28433551585.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5982/1209/files/business_intelligence_analyst_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6238/6079/files/essential_biology_textbook_for_secondary_school.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0718/0954/files/kizaxavebifuwutosaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8432/4770/files/puvozaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7808/9878/files/norelofewuwasuwive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9547/3822/files/xilifopi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1283/3959/files/zanoxexemakokigatirapiz.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_off00006e6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6D 5768 bytes
SHA-256: 62cad3704a669a7ab5e1039973d5bacc404824033cae10cfc54421c39dd6b0c7
font_01_sfnt_off000081f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81F9 10036 bytes
SHA-256: c34741caa6d3d31a5a884fa2472aa1e77b97feb00cf3b6ab53b7396f9a41103b

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