Malicious PDF — malware analysis report

Static analysis result for SHA-256 f516fe24cddaafdf…

MALICIOUS

PDF

34.0 KB Created: 2020-08-19 22:26:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: acbc38c43c823f94fbd099316d372222 SHA-1: 4e66adcefa05f7989734aa0c9b43bd7e572922aa SHA-256: f516fe24cddaafdf4aed1884cc413b4c0ae6bc0a7f093188f8be2c425055693e
194 Risk Score

Malware Insights

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

The PDF document contains a link farm and a specific redirector URL that is flagged as malicious. The document body, though heavily obfuscated, contains text referencing "Adobe support advisor for windows 10" and the malicious redirector URL. This suggests the document is designed to lure users into clicking the malicious link, likely leading to a phishing or malware download site.

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=adobe+support+advisor++for+windows+10 In PDF document text
    • http://files.elkocountyteachers.com/uploads/1/3/2/6/132681356/6838980.pdfIn PDF document text
    • http://files.stpaulsyouthmissioninmotion.com/uploads/1/3/2/6/132696146/zukidikodu.pdfIn PDF document text
    • http://files.jilliansapothecary.net/uploads/1/3/1/4/131455158/boporag.pdfIn PDF document text
    • http://fegon.greenpointpianostudio.com/uploads/1/3/2/6/132681513/wuxekapuwetonil.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/1/0432/6657/2443/files/bosezajimim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7337/1288/files/susidewapis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/juzopuzenafososokazulu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6305/0394/files/sumepi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/tegerunov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3826/8827/files/9640277684.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0041/3856/files/zedixofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9309/6600/files/60332232976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1143/2857/files/86383316438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8241/6281/files/mobogenie_app_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9605/9547/files/caballo_de_troya_gratis_libro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8039/9513/files/woneduvopikumadet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4138/0759/files/11346674074.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47FC 5476 bytes
SHA-256: 23e22de0fb64070f1da77d2803851ca919ca462b5a6b04c26becf54dab860464
font_01_sfnt_off00005ac3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC3 9372 bytes
SHA-256: c6b3b4294bfa6f3f107dda7b3ebd6cff9d6807669ec28833ba423212b7de6b4a

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