Malicious PDF — malware analysis report

Static analysis result for SHA-256 8900eedcd7be128f…

MALICIOUS

PDF

44.8 KB Created: 2020-08-23 03:09:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4f15f09d43f5820a4d104b56b5858671 SHA-1: d3ce1b94add44e32adc5ff38212e93c79e140070 SHA-256: 8900eedcd7be128fcdfee4cb744d9e0dfb88ded0a307a0ab92c511f231cd5d5f
202 Risk Score

Malware Insights

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

This PDF document contains a link farm and a redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains a reference to 'free word flowchart template' and the malicious URL 'https://ttraff.cc/pify?keyword=free+word+flowchart+template', suggesting a lure to download a malicious file. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.cc/pify?keyword=free+word+flowchart+template In PDF document text
    • http://files.grndcntrlmag.com/uploads/1/3/0/7/130738876/dibepapiw.pdfIn PDF document text
    • http://files.carolynmartinodesign.com/uploads/1/3/1/4/131453648/kesewepevoderu-xopokebisuvatix.pdfIn PDF document text
    • http://rixukawoj.artsabella.com/uploads/1/3/1/4/131438641/bf7da496daf1b0a.pdfIn PDF document text
    • http://sulawa.psupotomacvalley.org/uploads/1/3/0/7/130740456/3a45e74.pdfIn PDF document text
    • http://pexizeve.honest-elections.com/uploads/1/3/0/8/130873982/visux.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/1/0438/5816/5925/files/online_scanned_to_word_document_converter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7341/3032/files/cg_police_si_notification_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8634/7414/files/48704753316.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2807/0052/files/68649451070.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5476/8021/files/37678512627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3806/5308/files/godefimufowidesu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3434/3574/files/61888903831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pinabazebovo.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_off00007127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7127 5264 bytes
SHA-256: 500beef04f7e140109fbe2aa495a344d6e30493c097a9c5e0518cd4dc44a9bf6
font_01_sfnt_off00008300.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8300 10332 bytes
SHA-256: 23ad20baba42740d62cfa9fdbebcaeb0f3e603c052969d0d379ca0901906eb52

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