Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e768aa4373fdb23…

MALICIOUS

PDF

37.1 KB Created: 2020-08-01 14:40:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4f86c9f8f1945a91bdfeebac2a9d9317 SHA-1: 9323f5c23759b8fb078627fd889d42ff71bc6302 SHA-256: 8e768aa4373fdb23ae06ef8e515afc220de2d81692ddf95ae883450a5a7391d8
194 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link and a large number of embedded links, suggesting a link farm or phishing lure. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=dnd+5e+cause+fear'. The document body, though heavily obfuscated, contains references to this URL and other PDF files hosted on various domains, indicating a broad distribution effort. No scripts were extracted, but the sheer volume of links points to a delivery mechanism focused on user interaction with external resources.

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=dnd+5e+cause+fear In PDF document text
    • http://files.koyltontownshipmi.org/uploads/1/3/1/3/131381602/jolidawobiwubom.pdfIn PDF document text
    • http://files.jmccarthyphoto.com/uploads/1/3/0/8/130874400/zanotan.pdfIn PDF document text
    • http://files.westwoodrotarynj.org/uploads/1/3/0/7/130739542/9835223.pdfIn PDF document text
    • http://files.greenfieldpubliclibraryfoundationma.org/uploads/1/3/0/7/130775046/ca2c0c.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/1/0433/0687/7080/files/razikeruranofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3367/4396/files/mogomoziteke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9635/8565/files/4962510008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3010/8577/files/lolixupoxijutifulax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3839/9902/files/rizetokewonolozowumekag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9803/8679/files/rumaxobovujebinogoro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3731/0626/files/mizopoxifelota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5180/9949/files/pimixera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7315/0869/files/license_express_washington.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8286/6083/files/susuzovitinosajiva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8406/3654/files/20434797479.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 8

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_off000053a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53A0 5104 bytes
SHA-256: 346df30ee4ed08f7088002da527feebf65dac665de18d0302eeb1347c0fc543d
font_01_sfnt_off00006517.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6517 10412 bytes
SHA-256: fad64b875503025af69eec9cbaed71995922b883691eb741c04d535d4693de12

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