Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bc520d7460c8e89…

MALICIOUS

PDF

49.7 KB Created: 2020-08-15 08:15:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 288ae9398632b1a143b1baaa01328815 SHA-1: 9af77bde1e1bc3666bf1e33b4484de6bb03398b6 SHA-256: 7bc520d7460c8e890418f6600c020febe832e0ff56d9f5ddea8ed19925d121d4
194 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a known malicious redirector, identified by the URL 'https://ttraff.cc/wb?keyword=hyphaene%20coriacea%20pdf'. This redirector likely serves as a gateway to phishing or malware distribution sites. The presence of numerous external PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to lure victims. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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.cc/wb?keyword=hyphaene%20coriacea%20pdf In PDF document text
    • http://files.thelifelinechurch.org/uploads/1/3/0/7/130740069/8181346.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/1/0429/5242/5631/files/climate_smart_agriculture_in_ghana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3491/8568/files/74823127627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9821/0461/files/19308310049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2360/4631/files/42008918619.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4894/4284/files/rujuxiwibenugibuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4267/6648/files/18667206359.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9982/4032/files/81092229052.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1737/9745/files/platform_bed_frame_full_white.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0846/6845/files/rijewadidimitaraxikuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3013/3406/files/kijemukevoniwamevizinoge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2790/4165/files/budapest_airport_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2465/3224/files/venonivo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8973/1479/files/pugafijeb.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000077d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77D1 4804 bytes
SHA-256: 50fdb4e1d0d040e287396a6c0ff3a5e4d58a4e45d9ad712fd948df03ee136784
font_01_sfnt_off00008809.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8809 10552 bytes
SHA-256: 5eb169bb751813c4a2e0d5487034d929747146fabde6edf0c23f62089992964b
font_02_sfnt_off0000ac08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAC08 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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