Malicious PDF — malware analysis report

Static analysis result for SHA-256 5964867a98d07958…

MALICIOUS

PDF

42.2 KB Created: 2020-08-06 18:06:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 95b6ca0f7ba54e099fd865c216a90559 SHA-1: 096b7bc3c4a36423dec1c73069e79d05c9f5b32a SHA-256: 5964867a98d079581214ec1d66bfb4c566141951d3aaf145b71544a42629551a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a link farm designed to redirect users to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The primary malicious URL identified is https://ttraff.ru/pify?keyword=como+sacar+mi+certificado+de+secundaria+en+pdf. The document body content, though partially obfuscated, also contains this URL, suggesting a lure to extract information or deliver further malware. No scripts were extracted from this sample.

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.ru/pify?keyword=como+sacar+mi+certificado+de+secundaria+en+pdf In PDF document text
    • http://files.benpaula.com/uploads/1/3/2/6/132695430/nidupidupuni.pdfIn PDF document text
    • http://files.pqh.com/uploads/1/3/0/7/130739578/gelonavizutasam.pdfIn PDF document text
    • http://files.joyfulbeginningsschool.org/uploads/1/3/0/7/130775987/lekukujeba_xijuxexupudu.pdfIn PDF document text
    • http://files.spchevariecossette.info/uploads/1/3/0/8/130873958/depelavude-zovajojivasu.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/1/0430/7058/7029/files/fovobemivan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0381/2773/files/jatikanesikibiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9287/7217/files/10758474094.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6331/1512/files/wezixomasepekax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3651/5221/files/ccdc_22.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3961/3347/files/rowuzudisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3579/4327/files/44646807577.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9236/1887/files/save_gif_from_twitter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7279/0432/files/53634042847.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3260/0985/files/xabejeza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/verenepaduse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1242/9723/files/9299623133.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 6

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_off00006191.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6191 5172 bytes
SHA-256: b3b2b5a53d8cc09ccf797f2f4d7aa26ea0f3f40da12c55100593ae4f7e66ef0c
font_01_sfnt_off0000730f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x730F 11752 bytes
SHA-256: 4c2f84a172c720480981549849f818c73b6eeff6b6716e590100bc2bf05e489e

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