Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1016957b7036198…

MALICIOUS

PDF

47.8 KB Created: 2020-08-18 15:31:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b00a840cf13d2658ced3043e7d897f08 SHA-1: 5cd3bdc1ccf15a76c4b45342a7ba4e5dd1315a0d SHA-256: b1016957b7036198a27d8ace68ac049080040bd9d8310d8b1e5961fea0e8b36d
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 a link farm hosted on cdn.shopify.com, and one critical link redirects to ttraff.ru. This infrastructure is indicative of a phishing or scam campaign designed to lure users to malicious sites. The document body, though heavily obfuscated, contains references to 'minecraft 1.14 uptodown' and 'wkhtmltopdf', suggesting a lure for software downloads.

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=minecraft+1.+14++uptodown In PDF document text
    • http://kiwonanub.flanaganmattress.com/uploads/1/3/0/8/130873995/66c7ce3.pdfIn PDF document text
    • http://files.giffordchen.com/uploads/1/3/1/3/131380177/lanam-pewilarat-gamadoxixibe-kekados.pdfIn PDF document text
    • http://files.antoniadoux.com/uploads/1/3/1/8/131871424/fuvogukizitepat_mulixiz.pdfIn PDF document text
    • http://tigegip.windermereneighborhoodseattle.org/uploads/1/3/1/6/131606490/japobinovawik.pdfIn PDF document text
    • http://files.post22legionbaseball.com/uploads/1/3/1/3/131380612/1066401.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8700/2790/files/zasif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3379/5477/files/numerologia_tantrica_evolutiva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7403/5607/files/faxeragezizuparodajupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9262/3001/files/38794288813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7841/8583/files/zivosujokefajepabit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6440/7702/files/12004099229.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0685/3269/files/rusemobalajat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5122/0134/files/metezonedazopure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6803/1143/files/18805888357.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8746/9469/files/xetozogoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0393/5902/files/kufisusosaletawa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7088/1946/files/4184506829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0160/8349/files/84037172096.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F38 5088 bytes
SHA-256: 08e4cd682a872fd413021cf9b80777db1f6bf1823a6051784bbbb7557949768f
font_01_sfnt_off000080a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80A9 10364 bytes
SHA-256: 8bce2bc8b5cb1ef658d17316c32c88481d2c2f559ad1000a2981d7f056b07c67
font_02_sfnt_off0000a435.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA435 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c