Malicious PDF — malware analysis report

Static analysis result for SHA-256 11cabe5d0703b718…

MALICIOUS

PDF

59.0 KB Created: 2020-08-20 06:16:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 20c72279c6fad936f26e096e2e7c55c1 SHA-1: 482f6aaad09f17a34058ed0b2f1ca1444450a750 SHA-256: 11cabe5d0703b718903f4fbc3e8d1f0c54b0bb4098468ea59774da96e9f6acc4
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, pointing to a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains a URL that aligns with the malicious redirector identified by heuristics. The ML classifier also strongly indicated maliciousness.

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=dihybrid+cross+packet+answer+key In PDF document text
    • http://files.saraswatiadornments.com/uploads/1/3/1/3/131380612/monoxozo.pdfIn PDF document text
    • http://files.neksscottishrite.com/uploads/1/3/0/7/130775432/tasobogadedidul.pdfIn PDF document text
    • http://files.sobla.net/uploads/1/3/1/4/131483138/nukusunuvep.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/1/0431/2504/7463/files/femabixolumifaluzanawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16175378270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6920/1832/files/duvifapilubunevobasedutu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/75726012558.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9670/2104/files/tarunawonudejupoxar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7130/5896/files/tobenoxikizodumulitipam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3019/2039/files/30605042630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5498/9466/files/renesiwudakineguboxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6332/6358/files/95705078033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5335/1066/files/european_journal_of_medical_genetics_case_report.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009cba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CBA 2828 bytes
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f
font_01_sfnt_off0000a6b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA6B4 5524 bytes
SHA-256: 6688b7e429087895bfc63f556d1faf7d8e5ec313d7dfbd32a7ffed4502349c6b
font_02_sfnt_off0000b97c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB97C 10768 bytes
SHA-256: b1b4f2028362e2e391d977bc12012b9322720230f2600aad91a789b383135a09

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