Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e9d6102efaff0e…

MALICIOUS

PDF

45.8 KB Created: 2020-08-08 04:40:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bdcfa66f6f108031c0b4a1d307bbe82b SHA-1: 688572ad010325702f9ae48c1df72b0e2e54cf25 SHA-256: 34e9d6102efaff0eb836457a6f85e3de87ba538134318a80718dedb45ba23a4b
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 of which are SEO-optimized lures pointing to PDF files. One specific link, https://ttraff.ru/wb?keyword=instructional%20technology%20and%20media%20for%20learning%20pdf, is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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/wb?keyword=instructional%20technology%20and%20media%20for%20learning%20pdf In PDF document text
    • http://files.leonmccarron.com/uploads/1/3/1/4/131452988/a74a4a78bfdd23.pdfIn PDF document text
    • http://files.susanmckayartist.com/uploads/1/3/1/1/131163540/4619159.pdfIn PDF document text
    • http://files.rojossports.com/uploads/1/3/0/8/130873826/somimi-keguxogaxura-nilesanotejo.pdfIn PDF document text
    • http://files.forestecotherapy.com/uploads/1/3/0/7/130739593/32f52a90bb3.pdfIn PDF document text
    • http://nugusi.millersgardenservices.co.uk/uploads/1/3/0/8/130814575/xajaselejediwef.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/1/0428/9835/8432/files/datumaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3343/6055/files/profit_and_loss_account_and_balance_sheet_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3735/1323/files/49184083369.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0183/8757/files/98529834421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7311/9143/files/44075178727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3015/0296/files/fefikilelokulokud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9086/8379/files/luxuledunuxamidokadinupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/zuvetimiwutitemux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7272/4900/files/86042760545.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9222/9797/files/65981312186.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3750/files/josogoxujopufudejutudimo.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 5

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_off000072bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72BF 5608 bytes
SHA-256: 05dc6e089f601fb672b627c9f82447667cb54ac586d6fc838c74730fc54c00c0
font_01_sfnt_off000085b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85B2 10644 bytes
SHA-256: 2f64b773293bd277635da7e5ad22815f04782802e38abe73ea6eb2dd02c01859

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