Malicious PDF — malware analysis report

Static analysis result for SHA-256 509456b3f65a40ac…

MALICIOUS

PDF

42.4 KB Created: 2020-08-17 10:25:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e1fddcf7b69d4cd6c5ba81ea14150c80 SHA-1: 06bcae69a5e0f76566cb4c7f31db79ed5b0ce81d SHA-256: 509456b3f65a40ac33b4b6b4f89e6229de006923a9644397f3c35d2e7281be73
194 Risk Score

Malware Insights

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

The PDF contains embedded links, with one specifically pointing to a redirector associated with 'fedex phishing email reporting'. This indicates a phishing lure, likely attempting to trick users into believing they have a package delivery issue. The ML classifier strongly supports the malicious nature of this PDF. The presence of numerous external links, many hosted on Shopify, suggests a link farm used to distribute the malicious content.

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=fedex+phishing+email+reporting In PDF document text
    • http://files.familiesrforever.com/uploads/1/3/0/9/130970003/c45908bf.pdfIn PDF document text
    • http://files.fayettedentalaesthetics.com/uploads/1/3/0/7/130775980/pufefamewo-femipifadejo-leseforekino.pdfIn PDF document text
    • http://lidival.eyespyicare.com/uploads/1/3/0/7/130738721/599881.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/1/0429/2801/3471/files/22333194057.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2468/4968/files/tratamiento_para_alopecia_areata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6997/2384/files/33707061740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4084/5469/files/95066964300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8312/1319/files/vewafixepa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/gowawo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0677/8784/files/zekovisekujitugamur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/zaserona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0703/1966/files/another_irish_drinking_song_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4738/6264/files/xepogowupozubep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2675/0357/files/lurirajaliloligegoguk.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_off000067c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67C0 5396 bytes
SHA-256: 51dd765cb5430d9af70dbd98022af1fb2e43c4e47c5446bbde1fd69a7a8e3c5d
font_01_sfnt_off000079f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79F5 10196 bytes
SHA-256: 17af58912855cc608a2c20e717a1dad47b4022dc8ca77598f58c864bddf11cfd

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