Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7464294df30b758…

MALICIOUS

PDF

50.7 KB Created: 2020-08-30 16:56:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 30aba198662c0eff54f2994ccfdb57b1 SHA-1: 1e082792435dabac52b5a3977d9845ac5e7e7cb5 SHA-256: b7464294df30b7586e499778f87abd04a8b375df277c28810a738fcbb364df0b
194 Risk Score

Malware Insights

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

The PDF contains a link that redirects to known malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains the same URL, suggesting a lure to download content. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are benign Shopify links, but the primary malicious link is the clear indicator of compromise.

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/wix?keyword=achyutam+keshavam+krishna+damodaram+female+mp3+ringtone+download In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1174/2628/files/zovusol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9360/6056/files/1247119235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6086/2882/files/papel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1370/9722/files/circulatory_system_practice_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4573/2007/files/allianz_global_investors_annual_report_2017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5920/7579/files/54937867314.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2225/3205/files/jisexakogejolipopevol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/demenajejowegute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4885/2891/files/kokeromiviladegesude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6595/6760/files/depreciation_example_balance_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9170/5500/files/our_classroom_rules.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4204/5090/files/cyanogenmod_for_all_android_devices.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4012/0733/files/11172983863.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/76838659567.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 2

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_off000060c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60C3 6040 bytes
SHA-256: 132158646e2503280ab7008462186f057318e6a54ab795a9eea210e1529609d5
font_01_sfnt_off00007550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7550 13108 bytes
SHA-256: 3f7589a36cef0e7bb45dc6f4132dc6a876bf782623330f7be318061e1d62be60
font_02_sfnt_off0000a008.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA008 7948 bytes
SHA-256: 6dff86d1ae210118c0154c96e9ebe5ebd852db6e3b8235acd775587099303c9d

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