Malicious PDF — malware analysis report

Static analysis result for SHA-256 d47577d3b4a6618f…

MALICIOUS

PDF

42.7 KB Created: 2020-08-06 18:47:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e0c1b4064ad287e3fb738e9eee49402 SHA-1: 575a274a94b1e65f58c74333469c2e3d5ce7f3bc SHA-256: d47577d3b4a6618f490b842d85f7d29aaeccf0a77eb7f9b4c1b994a1f9e03131
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm infrastructure. The primary malicious redirector URL is https://ttraff.cc/wb?keyword=revoltas%20nativistas%20no%20brasil%20colonial%20pdf. This suggests the document is designed to lure users to malicious sites, likely for phishing or malware delivery.

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/wb?keyword=revoltas%20nativistas%20no%20brasil%20colonial%20pdf In PDF document text
    • http://fipuv.handmaidsoftheheartofjesus.com/uploads/1/3/1/4/131437657/dekaviwanuwuro_ramufafukivap_folonorufowe.pdfIn PDF document text
    • http://files.makinghairsmile.com/uploads/1/3/1/4/131438557/jitukire.pdfIn PDF document text
    • http://files.mtacsgv.org/uploads/1/3/2/6/132695294/5b8adee18417f.pdfIn PDF document text
    • http://files.ilanschraer.com/uploads/1/3/1/4/131438142/e61bd7d25842b.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/1/0433/6248/4383/files/trastorno_de_agorafobia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3220/7782/files/great_gatsby_chapter_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4814/7867/files/panera_boxed_lunches_menu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7865/5903/files/33363465132.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1352/0029/files/10990503601.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7343/7847/files/dialysis_fluid_composition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5943/6968/files/vafenoradekarefofatudox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4513/5260/files/lidamajalixotiwaragow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9027/1638/files/64311041827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1234/8315/files/gojomugibefujevujazep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5035/3318/files/68921353374.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5851/1522/files/89829374747.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 7

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_off0000640b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x640B 5356 bytes
SHA-256: d21337c0cc144435f825d85dc86a4c97fb495beb3d8a2c19fb2a3e296c6bf117
font_01_sfnt_off00007653.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7653 12724 bytes
SHA-256: e936218d83f6001b0dbb8966292819a3554a5a22d12f6892938fe21173ce478d

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