Malicious PDF — malware analysis report

Static analysis result for SHA-256 68ccc7a907e6eb96…

MALICIOUS

PDF

34.0 KB Created: 2020-08-06 18:24:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5f9608e9902fad5a3c616a1c31055144 SHA-1: 200534bfa7bfec163b75ab8a00cfc7b4436fa570 SHA-256: 68ccc7a907e6eb964c6c8cbd5b3cb5676a663a634cf7abefe2c58300f0ef857d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link farm and a redirector URL, indicating a phishing or scam attempt. The embedded content, though obfuscated, includes a URL that points to a redirector, which is a common tactic for distributing malicious content or leading users to phishing pages. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=ielts+band+9+vocabulary+secrets+pdf In PDF document text
    • http://files.carpetcleaningsummerland.com/uploads/1/3/1/3/131383657/9684649.pdfIn PDF document text
    • http://files.lydiamccarthyart.com/uploads/1/3/0/7/130739522/mapegeriliredepubaj.pdfIn PDF document text
    • http://pagifu.rosserwoodlandsrec.com/uploads/1/3/0/9/130969204/kutazi.pdfIn PDF document text
    • http://files.supportingpresence.com.au/uploads/1/3/0/7/130738548/8d04f5872646258.pdfIn PDF document text
    • http://files.looneymoons.com/uploads/1/3/1/4/131452842/a97641521c030b4.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/1/0429/8558/6849/files/70412840475.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72966212333.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8451/3444/files/zibelutagokatonobogipub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9921/0407/files/zixomalujen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6995/4456/files/xizenasoripanasux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/36017906462.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3273/1030/files/wuxujirokozevasofuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2833/3212/files/70764478475.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1478/2103/files/nerafotep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8694/6206/files/xulurosivitujiwomasoxipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1239/9009/files/.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.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_off00004881.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4881 5544 bytes
SHA-256: 1ccf9b43245659606bc010a452a5d8f04fd6d453d9d7bf19ee1ffdda6f0201b3
font_01_sfnt_off00005b6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6F 9348 bytes
SHA-256: 31aef6b34b1b222da1f8406ec0180706402ecce51b8ef0edbd06eafeab00a87e

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