Malicious PDF — malware analysis report

Static analysis result for SHA-256 be084dea659e1cef…

MALICIOUS

PDF

47.2 KB Created: 2020-07-31 01:47:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9d6721962054a65c44f9a68379f0c8bb SHA-1: 743f154136cbac8a0dd927cd6cb08b2f9ebb6f71 SHA-256: be084dea659e1cef7888e7343b77ffb24ad2f6e276843aa0011c83ef058bf642
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm designed to manipulate search engine results or distribute malicious content. One of the primary links, 'https://ttraff.ru/pify?keyword=business+email+etiquette+examples+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to be related to business email etiquette, serving as a lure for the malicious links.

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=business+email+etiquette+examples+pdf In PDF document text
    • http://files.teachermrho.com/uploads/1/3/0/9/130969473/7019de66.pdfIn PDF document text
    • http://files.krisrunstheplanet.org/uploads/1/3/1/4/131452961/2261247.pdfIn PDF document text
    • http://files.pauladuartetango.com/uploads/1/3/1/6/131607027/8499225.pdfIn PDF document text
    • http://files.thedanceacademyofbarrie.com/uploads/1/3/0/7/130740298/3979023.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/1/0432/7378/1416/files/97197780596.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1946/7943/files/didisobogenopezije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5915/1009/files/77199127920.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80170273674.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7759/9383/files/88594191060.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8186/7176/files/45393388859.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6443/4589/files/rivosusanadadikiriv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1368/4891/files/wimisomara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4601/8967/files/tunazomilin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4327/4395/files/xifaleritadimulujipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/xivimasakanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3917/6342/files/48273471775.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007c17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C17 5104 bytes
SHA-256: 2f63e24dc945fe8266ff5cb9dcad24ce4d8547619178cf5b2b1cea9aa9cd848b
font_01_sfnt_off00008d55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D55 9880 bytes
SHA-256: aa42412abf35d89ac448a11bb53e35a5041b81ae8d8071d9536058a16dad25d1