Malicious PDF — malware analysis report

Static analysis result for SHA-256 707d859814aabb6d…

MALICIOUS

PDF

46.0 KB Created: 2020-07-30 15:09:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9a2529d3d4b786b23c2e580c18b09315 SHA-1: 589bbe7f8a04dd22d9d17c6a80aac44df5cd3fa0 SHA-256: 707d859814aabb6d295522b8052a5b6f7f2e0fec3c4f082cdad2de068b7c3f83
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure. The document body, though heavily obfuscated, appears to be a lure related to 'Erasmus plus programme guide pdf'. The primary malicious URL identified is https://ttraff.ru/pify?keyword=erasmus+plus+programme+guide+pdf, which is likely used to redirect users to a phishing or malware-hosting site.

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=erasmus+plus+programme+guide+pdf In PDF document text
    • http://files.7daysnyc.net/uploads/1/3/1/1/131164431/1561639.pdfIn PDF document text
    • http://files.annemariehouy.com/uploads/1/3/1/4/131407898/db2d9bd1e77d.pdfIn PDF document text
    • http://files.chillicothefcg.org/uploads/1/3/1/8/131857983/rolufinisuwi-jibewonebiw.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/luvibuxunefipefijuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7026/6273/files/89378499914.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1930/5113/files/88862865612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0899/1140/files/luxadefajuxesu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8094/9658/files/podixedabilixekowolujo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8790/4411/files/53626506734.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5542/2369/files/romadaxurobugimenimasigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8673/2707/files/83636742428.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8674/9604/files/76427183996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5637/3659/files/84092405119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5769/3347/files/kututezugukajelepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5036/8152/files/7873951654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3497/6157/files/1050847367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5668/5468/files/95929746294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/84734804595.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 2

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_off00007019.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7019 5016 bytes
SHA-256: 59d1a21d1b415b2d89bdfd673434efa8c43695a6a67683ae742ce78e53b95c3f
font_01_sfnt_off0000812c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x812C 12924 bytes
SHA-256: b0aa83857b1c23cd5ae598b652739fa1fdbedb24b46e73cbce441e53583e0c5e

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