Malicious PDF — malware analysis report

Static analysis result for SHA-256 951d01480e1da618…

MALICIOUS

PDF

33.2 KB Created: 2020-08-19 20:02:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5645c4f6657f02e3c8e93e87593e53d0 SHA-1: e41eb0e6b5504d75e9dbb8602ae2a35a652ad61e SHA-256: 951d01480e1da618b48acbbdf9b4bf051a78d18064bcd03928555bd5649f6473
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a malicious redirector link, 'https://ttraff.cc/pify?keyword=show+sports+tv+apkpure', which is likely used to direct users to malicious content. The document body, though heavily obfuscated, also contains this URL and references to sports TV applications, suggesting a lure for users interested in such content. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious payloads or redirect traffic.

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=show+sports+tv+apkpure In PDF document text
    • http://files.wolfandcrown.com/uploads/1/3/1/4/131437669/raritetofomuk.pdfIn PDF document text
    • http://lalizinu.batteryconservancy.org/uploads/1/3/2/8/132814975/571928.pdfIn PDF document text
    • http://files.wildroseworkingbelgians.com/uploads/1/3/1/6/131637839/jizinezegonipo-tanex-vizafivotejuten-zebawe.pdfIn PDF document text
    • http://files.agathafashion.shop/uploads/1/3/0/9/130969375/9654079.pdfIn PDF document text
    • http://pusutexew.christinaweiler.com/uploads/1/3/0/8/130814328/127ccdcda51cc16.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/1/0438/0780/1504/files/buzewupexera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9765/7248/files/php_curl_post.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4122/5880/files/pivexetidenabif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7966/3765/files/asme_pressure_vessel_code_section_viii_division_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7567/9896/files/fezewor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1799/3366/files/free_spatial_reasoning_test_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3579/4344/files/85067626315.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8442/3073/files/orthographe_francais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4102/9276/files/87971936408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9776/7592/files/73120094068.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_off00004543.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4543 5196 bytes
SHA-256: 47df717e62f93d1643afc31993239837edbee44960826145fdb33aa9739de241
font_01_sfnt_off000056fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56FB 9760 bytes
SHA-256: d9fba32db4e050ca43e53f47cb86f65848e94f0e9852a94d9cfd8023c5f6f313

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