Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1e5f022e6f26c9c…

MALICIOUS

PDF

52.2 KB Created: 2020-08-23 15:42:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5bc3ccb55a7d536d3a35eace45498e75 SHA-1: 2866feba7e4138ea747e9b1920521d5e3dca0954 SHA-256: d1e5f022e6f26c9c1b43d086be4024a8a5d174fc3fd05b888aed748ad545b20f
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with at least one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the primary goal is to redirect the user to malicious infrastructure, likely for further exploitation or phishing. 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.cc/pify?keyword=god+annamalaiyar+songs++masstamilan In PDF document text
    • http://files.downtownklamathfalls.org/uploads/1/3/2/6/132682802/moxizanaxepuve-gijasasepurit.pdfIn PDF document text
    • http://sozoluf.tualatindar.org/uploads/1/3/1/4/131452883/serapupog.pdfIn PDF document text
    • http://newudaz.luminaris.link/uploads/1/3/1/4/131406149/zajez-venitiju.pdfIn PDF document text
    • http://tumagitam.drakemabry.com/uploads/1/3/0/8/130813528/nisixu_piwafib_kobax.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/1/0431/7108/6485/files/67843425741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/minecraft_towny_server.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2246/5699/files/90810199306.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2558/8639/files/diabetes_australia_management_guidelines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0323/1903/files/vosusigotisuwedamis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6304/1430/files/67576953131.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0939/1261/files/88754615422.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3236/3676/files/brew_install_virtualbox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4352/0666/files/aadat_tu_meri_song_remix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0562/3972/files/48247191315.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9812/8036/files/90303274115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8739/6004/files/best_ipad_pro_annotation_app.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_off00008330.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8330 5280 bytes
SHA-256: 6f2e8ceb0c2a7f34dd437e69bd2f849d10712e74ba9a402d9b957cbc637c2f5d
font_01_sfnt_off0000951b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x951B 14532 bytes
SHA-256: 0926590cea72a12a15f035272433144cde3a051e9b357cb6e2ca53b660f5032f

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