Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5ab612cf500b59e…

MALICIOUS

PDF

47.9 KB Created: 2020-08-14 01:30:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6837956d9bef9b353ed9e2f76be92ce5 SHA-1: 4692067f6a867a60fba65bb6eb4051c853aad083 SHA-256: c5ab612cf500b59ec2a75ce73b3dac984052ed8df7244d589e0d8e518ea48feb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious domain, disguised as a business meeting agenda. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO abuse tactic. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download page.

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=business+meeting+agenda+pdf In PDF document text
    • http://zejowa.hello2kitty.com/uploads/1/3/1/1/131164250/dorumafularudo.pdfIn PDF document text
    • http://jenafet.susanlynchshamanicservices.com/uploads/1/3/0/7/130776487/4440294.pdfIn PDF document text
    • http://files.happylivingg.com/uploads/1/3/1/3/131398099/5906988.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/1/0428/4933/7507/files/hard_clue_scroll_rewards_osrs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50878135704.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4229/0336/files/11304705521.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5512/8477/files/61507307439.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3728/6812/files/tugix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1799/3366/files/acura_nsx_wiki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0763/7661/files/neoclassicismo_e_preromanticismo_letteratura.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6916/1110/files/xupulegimuwatapifut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4555/1271/files/vizifojiluladewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19189676900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/19587248652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6202/5624/files/isomerism_in_transition_metal_complexes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8982/1845/files/practical_multivariate_analysis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9997/9930/files/31038145267.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_off00007dbd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DBD 5280 bytes
SHA-256: dfe2f84692a7ae545f94bdce05a7fd0be44c115d2fa033509811e3e426b74717
font_01_sfnt_off00008fa1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FA1 10296 bytes
SHA-256: 2a8bcb125639b566dd20fbef0ffc6120aafca0a81b4819816afd8e3aaad8197d

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