Malicious PDF — malware analysis report

Static analysis result for SHA-256 22fd1f06a8554093…

MALICIOUS

PDF

41.3 KB Created: 2020-08-03 07:28:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 767d159916ed9f8ab8906be59073ff8a SHA-1: e8fe7f65d7b381040781f9c2f198f09e4b9cef16 SHA-256: 22fd1f06a85540939904be57719537f38d3b586e9abbb192a71106f16d51566d
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 Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic firing indicates a direct link to a known malicious redirector at `https://ttraff.ru/pify?keyword=super+pocket+bikes+for+sale`. The document body, though heavily obfuscated, contains text related to 'pocket bikes for sale' and the redirector URL, reinforcing the lure. No scripts were extracted from this sample.

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=super+pocket+bikes+for+sale In PDF document text
    • http://files.thespareroombook.com/uploads/1/3/2/7/132740595/0a313.pdfIn PDF document text
    • http://files.garchen.store/uploads/1/3/2/7/132740309/jetumowumizizul-dinonowagobolo-solupa.pdfIn PDF document text
    • http://files.treyaoueillemd.com/uploads/1/3/1/1/131164431/dikelesiliko.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/1/0431/4886/9789/files/fiwifujatagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7035/7653/files/61632364087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0257/2437/files/7._1._5_wow_patch_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15900382268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3033/1040/files/foxoligelupizopik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0682/7429/files/zejan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2084/5210/files/24460027884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7449/4369/files/affairscloud_pocket_pdf_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5353/0788/files/robatefuseselunilegekaji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9596/5352/files/gogamebelakevug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5598/8374/files/19884398008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3761/3461/files/11282298079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7243/7913/files/94138568233.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 7

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_off00006290.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6290 5316 bytes
SHA-256: e4a6803f1418af5fc304a56f7a7b11557e8322ad04a97f48e32deab3501388c5
font_01_sfnt_off000074b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B5 10444 bytes
SHA-256: 6aa0fa6fbcd38439b8c5344963c8a33dbfffd87541be88e8a2a0878a87b25275

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