Malicious PDF — malware analysis report

Static analysis result for SHA-256 6262464c0dbaa244…

MALICIOUS

PDF

41.4 KB Created: 2020-08-03 02:08:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fc047772c3a3fd02cf7d726e1d35aba4 SHA-1: 3dec955fe392c2bd48734c3d2a0d2f5f4abdccee SHA-256: 6262464c0dbaa244e0041f18b71dfb16afc008b896a2bbec6568ea6a034b9f38
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though obfuscated, contains text suggesting a lure related to a "Norton field guide" and includes the primary malicious URL. The presence of a large number of external PDF links further supports a link farm or phishing attempt.

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=norton+field+guide In PDF document text
    • http://files.electeckhoff.com/uploads/1/3/1/4/131438137/2800902.pdfIn PDF document text
    • http://files.andrewlcsw.com/uploads/1/3/1/3/131381542/setenefuzu-navom-kazugasawe.pdfIn PDF document text
    • http://files.ncsdactivities.com/uploads/1/3/2/7/132710632/pomeralataguk_dosanufanupib.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/1/0434/0455/8488/files/honda_accord_v6_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8799/5807/files/jikojijolurupijekerefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32150460784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4610/8312/files/juvesixedineteraka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7055/3250/files/7034217740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/99456974581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1080/8217/files/3129114987.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3301/0082/files/4669362179.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8865/7049/files/33016967031.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6901/3144/files/nabobiromanibe.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 3

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_off0000652f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x652F 4656 bytes
SHA-256: 820b4beae11dd0953e145a39df142444f1db1e4fb31fadecf13b5f3a957edf7a
font_01_sfnt_off0000751b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x751B 10472 bytes
SHA-256: 37d8d7bdecc9f56ba8b954860993d19851e588bdae01033ea96995091795f825

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