Malicious PDF — malware analysis report

Static analysis result for SHA-256 d62db345e8bc09e2…

MALICIOUS

PDF

53.2 KB Created: 2020-08-13 05:13:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2be601778c209256550e23a0f08a7691 SHA-1: 6bb99df3bc47d381cb206ce3cf2399729a8a865a SHA-256: d62db345e8bc09e245307143c1a375855b6c3f03862760648f91d4c4ad4d81f2
202 Risk Score

Malware Insights

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

The PDF file contains a lure related to a 'simple loan contract template' and embeds numerous external links. One of these links, https://ttraff.com/wb?keyword=simple%20loan%20contract%20template%20pdf, is identified as a malicious redirector. The presence of a link farm and the invoice/payment lure heuristic suggest a phishing or scam attempt designed to redirect users to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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/wb?keyword=simple%20loan%20contract%20template%20pdf In PDF document text
    • http://files.advancedanaerobics.com/uploads/1/3/0/9/130969555/davam.pdfIn PDF document text
    • http://befanevo.katsdogsllc.com/uploads/1/3/1/6/131606490/savomovod-wokoki-foxerej.pdfIn PDF document text
    • http://wozukik.gokellyandco.com/uploads/1/3/1/8/131856703/barakawal.pdfIn PDF document text
    • http://files.chrisandjohnholidayhomes.com/uploads/1/3/1/4/131438418/tumefopunumozibopij.pdfIn PDF document text
    • http://files.troop11billerica.org/uploads/1/3/2/8/132814241/6077598.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/1/0433/4023/4911/files/certificado_de_origen_mexico_centroamerica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9065/7951/files/41324032990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6334/4280/files/taxofasunedadamud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4124/3814/files/binary_files_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0232/1307/files/developments_in_science_and_technology_spectrum_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/6827/3319/files/advanced_excel_training_module.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5533/0981/files/12844680745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8249/0791/files/rexedovopunivisuzobudumuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8184/3356/files/32600473235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/4924/2024/files/timalofulawodeledapifo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9358/0189/files/webexapakoboxujofav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7020/1760/files/4061717053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2014/7095/files/kabawano.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_off00009295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9295 5228 bytes
SHA-256: 8b5556258ee0b3553a3acaa178cfa3f3bd534f6190d980fe6924cb71e62607d6
font_01_sfnt_off0000a436.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA436 10424 bytes
SHA-256: e9829859f28d2e960a428d51c7f1c29146cb72c86ebc0fadb8b6bc3bf9f747f0

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