Malicious PDF — malware analysis report

Static analysis result for SHA-256 202c8cc8ccb1b887…

MALICIOUS

PDF

45.5 KB Created: 2020-08-21 05:51:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: da4e3e0e2b947a567f41d060e04df195 SHA-1: 10813aac99360dcb21b2830bbba9c9cf09f79872 SHA-256: 202c8cc8ccb1b887570949ffab5cc8195cb73d8a583f009311494d800f9691ce
214 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious infrastructure, disguised as a credit report. The document body also contains text and URLs related to this lure. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful site, likely for phishing or malware delivery.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=equifax+credit+report+for+deceased+uk In PDF document text
    • http://files.visioncommunication.org/uploads/1/3/1/4/131437873/wanawetinuvapo.pdfIn PDF document text
    • http://kasijuk.doublediamondequestriancenter.com/uploads/1/3/0/7/130738629/bofifiresalibi-safotetidotigij-devabusamubade-katukupawofa.pdfIn PDF document text
    • http://gimubonoz.nurturethefuture.ca/uploads/1/3/1/3/131398140/xedop-fikomazeworup-bosumuvab.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/1/0451/4791/4394/files/kala_bhairava_stotram_in_telugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4386/4228/files/bijapexolugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5823/2473/files/garena_plus_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1709/9685/files/podarowasagafojimo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/6761/2824/files/pes_2012_konami_football_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9126/1595/files/winter_colouring_sheets_for_kindergarten.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3649/0398/files/16973870140.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9324/5600/files/fernando_pessoa_poemas_de_alberto_caeiro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7896/7703/files/fewomofe.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_off0000740a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x740A 5332 bytes
SHA-256: d749011733e0316275858d506f8333fea9eb74ec26eef7a9dc9545920f76d999
font_01_sfnt_off00008643.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8643 10480 bytes
SHA-256: c9c1288fc9f64aa0f1755edbcf35248a0a6de194a42aafcefe23c0a6b5a37500

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