Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae27a64c6bd9c7ca…

MALICIOUS

PDF

46.4 KB Created: 2020-07-28 04:24:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: abc6782cde3507c2599ac3e2fae7aff7 SHA-1: 08dbd0021e0348cde2ec767045aa0912dd4f064d SHA-256: ae27a64c6bd9c7cab33ba9607cf535a2186554271a3559a009c43d8f3d02ec6e
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily garbled, contains text related to crafts, likely used as a lure. The heuristic firings indicate the PDF is designed to redirect users to malicious infrastructure, potentially for phishing or malware delivery. 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.com/pify?keyword=manualidades+navide%25C3%25B1as+con+materiales+reciclables+para+ni%25C3%25B1os In PDF document text
    • http://files.neverlostestore.com/uploads/1/3/0/8/130874204/maniduwasup_wupudoserofi_divekoxusenonis.pdfIn PDF document text
    • http://files.armarnib.com/uploads/1/3/0/9/130969683/mevetafe.pdfIn PDF document text
    • http://files.benoitfarmsandlivestock.com/uploads/1/3/2/7/132740185/tukuzukor-vuragodinamo-mepazigide.pdfIn PDF document text
    • http://files.platypusandbean.com/uploads/1/3/1/1/131164399/nozes_sizezukez_xixevalu.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/1/0428/4225/9612/files/11604870212.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6027/4087/files/lidopenogifurubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0399/2485/files/63943191272.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0315/8433/files/73516167496.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9432/7961/files/1806752581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5844/5979/files/4977089875.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7650/1147/files/pibikazek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8166/2628/files/pimivale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9085/3541/files/83121759899.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96056065099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7141/5196/files/77980744583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/64824485373.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0897/4235/files/domejamuxegufen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5562/1031/files/57092470185.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_off00007100.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7100 5520 bytes
SHA-256: e57d945a86859e8cca816add3de93d7215db4c55762071f1669ad4a3fe357141
font_01_sfnt_off0000835c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x835C 11508 bytes
SHA-256: e0e53263b27395aad8e97d80aa28513499af8f96bfa29513bbd57388b1707ded

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