Malicious PDF — malware analysis report

Static analysis result for SHA-256 d62b01fdda3a6e9f…

MALICIOUS

PDF

45.8 KB Created: 2020-09-18 03:04:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 02850184253591387c9cab767c98be74 SHA-1: 8a17bc363e242244ebc5e441b83ecb29506d86f3 SHA-256: d62b01fdda3a6e9f8f014a0c3757a0ad86ff3270ebde8e7ddfc5bb8b3442c59b
184 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Avast license key crack' and embeds numerous external links. One of these links, 'https://ttraff.cc/wix?keyword=avast+license+key+crack', is flagged as a malicious redirector. The presence of a large number of external PDF links, many of which are hosted on suspicious domains, indicates a link farm designed to distribute malicious content or engage in SEO manipulation for phishing purposes. 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/wix?keyword=avast+license+key+crack In PDF document text
    • http://rijelasug.charlescdixon.com/uploads/1/3/1/0/131070993/51390a83ab.pdfIn PDF document text
    • http://talejina.fiddleonthefarm.com/uploads/1/3/1/4/131452821/rikagufeb.pdfIn PDF document text
    • http://files.fionasophiaphotography.com/uploads/1/3/2/3/132303117/xejek_jutuzijesoda.pdfIn PDF document text
    • http://files.forgingdreams.com.au/uploads/1/3/2/6/132681452/8c847e5d648dc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://66620baa-ff0a-4999-9d0e-824e67d8c1f1.filesusr.com/ugd/8b49c6_cf1a9143dc8d42afa192617e80d64e17.pdf?index=trueIn PDF document text
    • https://a7b6d619-899a-4845-acda-28799f99c91c.filesusr.com/ugd/0af078_9360006e26cb4524929e72462450a2b0.pdf?index=trueIn PDF document text
    • https://14fe72ff-c5c3-4e8c-9cbb-43e4a96227f3.filesusr.com/ugd/5e81b9_f48750fe97f54d66983a9314eb6f9638.pdf?index=trueIn PDF document text
    • https://d0e61418-8ab6-40c1-b35b-7755709600d5.filesusr.com/ugd/89363e_9544aeaabed54538b2e13b9abf64077b.pdf?index=trueIn PDF document text
    • https://9847aa09-30da-4341-adfc-073f4b9e8122.filesusr.com/ugd/d8966e_036a7f4a554f4d32a9c8a1847e603b5e.pdf?index=trueIn PDF document text
    • https://afa12b85-272c-4ccd-bce3-dbf82a1ee152.filesusr.com/ugd/81cd61_58567147cfd048ebb8b0d59ef51436a7.pdf?index=trueIn PDF document text
    • https://b370411d-8669-43c2-94af-4f2b198df8cf.filesusr.com/ugd/89602e_1fa6fa39db024a6daffca127a276276f.pdf?index=trueIn PDF document text
    • https://6bb5126e-0905-497a-a51a-422dce5ef146.filesusr.com/ugd/9f06f8_81bbf97669a54d7fa7845697addb62ef.pdf?index=trueIn PDF document text
    • https://04c2d68b-2ae6-4acf-a806-3c63b91c0115.filesusr.com/ugd/405339_47bf1681105c467c81f3333e238cedda.pdf?index=trueIn 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_off00007493.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7493 5008 bytes
SHA-256: f564f86f0e7c46c0ddbe303e969c2b0ae3504fe83065a6b10aa1c9149f6c97e6
font_01_sfnt_off000085bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85BB 10856 bytes
SHA-256: cfb7eb272eab77a719c7e2c3bfb18fed9db6ad84274efe3de06d46dca14a5c5c

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