Malicious PDF — malware analysis report

Static analysis result for SHA-256 90b966ef9b69103e…

MALICIOUS

PDF

45.0 KB Created: 2020-08-12 05:08:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b82537580669339c58fc622b2e334dff SHA-1: 0de0aa36a294336af19d910d178cb941fc6ff4ef SHA-256: 90b966ef9b69103e4dd5fbb85227fb82c207eff16b87d6a0a28f199afb7c07b5
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic firings indicate a PDF link farm and a malicious redirector, strongly suggesting the intent is to lure users to malicious sites. The ML classifier also flagged this PDF with high confidence. 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=amleto+traduzione+montale+pdf In PDF document text
    • http://files.itistheend.com/uploads/1/3/0/8/130874647/netil.pdfIn PDF document text
    • http://files.daigribbleangling.com/uploads/1/3/0/7/130739043/mipelidovikopalovej.pdfIn PDF document text
    • http://files.bizsign.shop/uploads/1/3/1/4/131452903/venofabojojimu-zetumubezawupa.pdfIn PDF document text
    • http://files.hareloomupholstery.com/uploads/1/3/1/4/131454221/a13b2bf742f5c.pdfIn PDF document text
    • http://files.barryneighbors.com/uploads/1/3/1/0/131070560/a94055491805.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/1/0432/8525/0216/files/87911115655.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4040/6695/files/2009_jetta_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8461/9680/files/womeni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0835/9589/files/bavativuxoda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2732/3301/files/doseketavudenaxirev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/ravolanid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5180/9942/files/83791146154.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2083/7279/files/nobemenorodaxeweviw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2865/9874/files/jopevufezosidoxisokubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6745/7188/files/caballo_de_troya_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/42604383962.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8209/6535/files/algebra_and_trigonometry_5th_edition_blitzer.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 8

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_off00006ffd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FFD 5048 bytes
SHA-256: b60ac83e601f4a0e5f8cec3b598380f2a01dbce505b0c90896b17f47d8b7f871
font_01_sfnt_off0000811c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x811C 11040 bytes
SHA-256: 3501469e8f5891cab2c47462c69b68556a35c18b80b69c7e15aee0ec2f2f1e15

Open this report in the interactive analyzer, or submit your own file for analysis.