Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d561212a6ee39af…

MALICIOUS

PDF

39.3 KB Created: 2020-07-23 11:16:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fac9f5d34fd0964d406c7d7df0819cb5 SHA-1: 3b9becf079a540000868f27d91e1839598dceb21 SHA-256: 7d561212a6ee39af5ef50893bbfa286c1aac98a0be3856126c8cbb0550f91034
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed to mimic legitimate educational content. The primary redirector URL, 'https://ttraff.com/pify?keyword=binomische+formel+aufgaben+klasse+8', is flagged as malicious. This suggests the document is used to drive traffic to malicious infrastructure, likely for phishing or malware delivery.

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.com/pify?keyword=binomische+formel+aufgaben+klasse+8 In PDF document text
    • http://files.hoveyeyres.com/uploads/1/3/1/3/131378852/mojelax_vesiwebat_bupobozobimizu_vanedobadagu.pdfIn PDF document text
    • http://files.vintagevibelou.com/uploads/1/3/1/4/131453451/1044873.pdfIn PDF document text
    • http://files.alexandramcintoshlaw.com/uploads/1/3/1/3/131379594/203508.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/1/0432/5851/1510/files/boreseketakepitanerez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8247/1837/files/jujejuxupefoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9239/3640/files/disosamogibo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/15353694410.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9938/0130/files/81669217578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1044/8798/files/vanis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8962/5250/files/63257385329.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/395667921.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/mamabowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3668/0098/files/jufulewarexiwolamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8982/9800/files/xomuniguvujojigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5165/6102/files/38438113125.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_off00005893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5893 5544 bytes
SHA-256: d778c1d64ffb516ab2978da6ef4292a1471f14a33977d28ecad6d8886aff3b56
font_01_sfnt_off00006b31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B31 10732 bytes
SHA-256: a29414acce8ba8652d7142340c980f2fb12ed18601b0411cb8285a058870bbbd

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