Malicious PDF — malware analysis report

Static analysis result for SHA-256 78588c4189f2e85d…

MALICIOUS

PDF

53.2 KB Created: 2020-08-15 14:39:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 98f65a16efbec53a60ba1ad0119b6cc9 SHA-1: 18368026af325919d4a141dcb9fb3dd85271dfe9 SHA-256: 78588c4189f2e85db590f46dc44ede9e635cbc5c3b9857396a18fa225414129e
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service, indicating a link farm or SEO manipulation tactic. The embedded URL 'https://ttraff.cc/pify?keyword=how+does+botryoidal+hematite+form' is flagged as a malicious redirector. The document body, though partially corrupted, also contains this URL, suggesting the primary purpose is to drive traffic to malicious or unwanted sites.

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=how+does+botryoidal+hematite+form In PDF document text
    • http://files.latoyaharrisministries.com/uploads/1/3/0/7/130739731/c07c6e8a41.pdfIn PDF document text
    • http://wazanep.evansvilleultimate.com/uploads/1/3/1/6/131636744/540799.pdfIn PDF document text
    • http://xegirikom.lorgemusicarts.com/uploads/1/3/2/7/132712109/naxopo.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/1/0433/0579/5752/files/71784076502.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/kebijunumeroxogepola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3393/6547/files/wijedofikagufawut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8450/5498/files/mupobotatijamegafore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4731/2789/files/63145838062.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2177/0656/files/lipedazis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5729/9097/files/mexigorema.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9772/5864/files/erwin_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4805/0583/files/58430927347.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/5201/8337/files/belajar_photoshop_lengkap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1058/0903/files/dobebizovodebujiru.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 3

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_off00008db4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB4 5440 bytes
SHA-256: 564a5c1b31639dbd50c5d4e221c893c78ea82db5c01f06fc24faf4418bd9efaa
font_01_sfnt_off0000a021.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA021 11312 bytes
SHA-256: 8a4ccc6e56d68649d5e92819d8ce9f49a7c1bcd6be62c098b18dfd95f1fdfc24

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