Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ccf758b31e5cbc0…

MALICIOUS

PDF

43.5 KB Created: 2020-08-01 14:12:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c861499ce9ac8b21b025c2d4ad0a5e18 SHA-1: fc6a4f14328b3ae864e6c08b91c28c6aaae88122 SHA-256: 1ccf758b31e5cbc0b38ffb014c3343f278a631b432f19068855cc082f44e71f4
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Riello burner parts' and the malicious URL, suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on shopify.com, likely for SEO manipulation to increase visibility of the malicious redirector.

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=riello+burner+parts In PDF document text
    • http://files.jacobjosephpiano.com/uploads/1/3/0/8/130814121/2443103.pdfIn PDF document text
    • http://files.grantmethod.com/uploads/1/3/0/9/130969192/977383ab0.pdfIn PDF document text
    • http://files.morethanahandyman.org/uploads/1/3/2/6/132696414/7011897.pdfIn PDF document text
    • http://files.budsofbuds.com/uploads/1/3/2/7/132740352/1868726.pdfIn PDF document text
    • http://files.amtboats.co.uk/uploads/1/3/1/3/131380841/bapelule.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/1/0433/0687/7080/files/viloronijiletamuzolodoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1658/3325/files/50110203754.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86399573169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2160/6818/files/5339036612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8082/7558/files/78111140895.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2287/5797/files/xejugoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/9015662282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3033/0016/files/86020749265.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0897/4235/files/64302807691.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0069/1879/files/gazanokebegafenumivisosa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006003.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6003 4840 bytes
SHA-256: b429be2039d36a3c6a410dd984937cacfc2fbb8134eda3c3a9d5c6044375bd07
font_01_sfnt_off00007076.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7076 10212 bytes
SHA-256: c5da805f588fe1a921ccb38bfbf80afc36726b3f819472918ceeb1a82c29faa9
font_02_sfnt_off00009354.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9354 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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