Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f9d9c285dbd3601…

MALICIOUS

PDF

48.1 KB Created: 2020-07-30 23:44:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d7596917d728c6a28e6a40097c0e209b SHA-1: 2434def95d3e4cdab9df32855003c1af67b08e96 SHA-256: 5f9d9c285dbd360114ba7e49ee9b7ff34f05f130a968af5731be4ee534113c3b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links designed to create an SEO link farm, with a critical heuristic firing indicating it redirects to known malicious infrastructure. The primary lure URL, 'https://ttraff.com/pify?keyword=development+planning+in+nigeria+pdf', is flagged as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and link farm suggest an attempt to drive traffic to malicious sites, likely for phishing or malware distribution.

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=development+planning+in+nigeria+pdf In PDF document text
    • http://files.bigislandghosttours.com/uploads/1/3/2/3/132302759/4390147.pdfIn PDF document text
    • http://files.sunleyphotography.com/uploads/1/3/1/4/131483327/zijazarin.pdfIn PDF document text
    • http://files.vaporstopgreenville.com/uploads/1/3/2/6/132681617/86ae25f75b.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/1/0427/8448/9631/files/nuviwuzetegogunabavonobip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6590/9160/files/58985026680.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2893/7880/files/73459143457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1671/6437/files/93912899033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3019/9966/files/20269625834.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0124/9955/files/16383154737.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3850/7169/files/bepoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9606/3652/files/bojatobapotamuwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6193/5261/files/52576456470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9489/files/87932664667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8266/8437/files/62582400884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5461/2123/files/wajosofumikid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6240/2967/files/2453704056.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 2

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_off00007e87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E87 5028 bytes
SHA-256: e2157e93be0ab51df0fa27e25a1a3dace22bd97306f58e1ab213566d021e84e4
font_01_sfnt_off00008f8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F8F 10404 bytes
SHA-256: 7bc8eef669bde58ac878421f2a16600dfce0ee9a90dfe55e1fc8b5d17fac6212

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