Malicious PDF — malware analysis report

Static analysis result for SHA-256 eac98b80373e5f73…

MALICIOUS

PDF

55.3 KB Created: 2020-08-24 14:38:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 12895e81f50a41ffac6626d66757c615 SHA-1: c90eafbf4607f49785d5fa00794322d84ab108d2 SHA-256: eac98b80373e5f7386d503d3ae547af10ceeeb199f9b1ba42eaeb8bb55f3bcf8
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, includes the same URL, suggesting a lure to trick users into clicking the malicious link. The presence of a link farm further indicates a malicious intent to distribute harmful 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=marathi+bhajan+song+apps In PDF document text
    • http://files.habitatriwestbay.org/uploads/1/3/1/4/131407088/mopor.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lasuzopaxikabade.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0012/6880/files/loan_automation_system.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/spoken_english_guru_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2324/4191/files/sebiluzelavubaruza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6495/0946/files/xalojabepekugokexaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1920/5789/files/hp_laserjet_p1005_driver.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4440/5397/files/linopaxelotukimegisedig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0723/7531/files/17431505941.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7692/0220/files/mtg_arena_crashing_on_startup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9612/8153/files/wafejewixufebibujosomak.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 1

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_off000088dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88DD 4940 bytes
SHA-256: 3d9cef364549312606e67d171396c50ed2f23e23963144f2ca81c3c54aafe361
font_01_sfnt_off00009993.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9993 13028 bytes
SHA-256: 53d25a4c1f2928907f5cc66e47d2c2879b177bb9d1b4c7cdece46c290e35082b
font_02_sfnt_off0000c2b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2B1 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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