Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e51b8609b8db0c0…

MALICIOUS

PDF

51.4 KB Created: 2020-08-25 01:07:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4687a1bfeca621af537bb68904b95fd4 SHA-1: 06d5d8889b325d41ecb69ad93ca1dbb3f60b6522 SHA-256: 8e51b8609b8db0c05c453db29bae53ed80f9f0103b823fe93f55776e2f033534
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=corporate+engagement+strategy+template'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into visiting a malicious site. The file also contains a large number of external PDF links, many hosted on Shopify, which is indicative of a link farm used for SEO manipulation or to obscure the true destination. No scripts were extracted from this sample.

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/pify?keyword=corporate+engagement+strategy+template In PDF document text
    • http://nimewi.peachtreetally.net/uploads/1/3/0/8/130813834/2002708.pdfIn PDF document text
    • http://files.dsdominion.org/uploads/1/3/1/6/131606222/kiginola-ziroguwamovo.pdfIn PDF document text
    • http://files.oldetownemusic.com/uploads/1/3/1/0/131070674/3766279.pdfIn PDF document text
    • http://givexoliw.thestudentphysicaltherapist.com/uploads/1/3/0/7/130738914/4040007.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/1/0431/0417/4233/files/ledarelepiwex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1687/0296/files/oxford_dictionary_english_to_gujarati.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6768/6558/files/wordly_wise_3000_book_8_answer_key_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1139/8041/files/farulalolojumu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9401/6157/files/36114515082.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/5568/5288/files/adidas_platform_stan_smith.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6213/2897/files/bofekizunetazaru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0589/5075/files/talejefor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5723/3576/files/gazogoduzojawezero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5488/1175/files/16653422235.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_off00008bed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BED 5144 bytes
SHA-256: 0a92c6f6a24124b8bc7352023f360a6aeeb30d0cfc761ad4ea3144a34a096d0e
font_01_sfnt_off00009d5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D5D 10352 bytes
SHA-256: 92093613307c543807366f74853a7d50f9e5b3c8fb2b46a9184f3d53568a1e87

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