Malicious PDF — malware analysis report

Static analysis result for SHA-256 32be93671ad51cdc…

MALICIOUS

PDF

40.3 KB Created: 2020-08-09 01:12:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d714740d09c8cf66d63f2be7561ef813 SHA-1: 293e7c5b9cc2176c951241157bca1e486dc59b74 SHA-256: 32be93671ad51cdc66499a8fc14de0715a3ed4301e969f78ed3d3e8b9479faa8
202 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure for 'Biology projects for class 10 pdf' and includes the malicious URL. This indicates a phishing or social engineering attack aiming to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=biology+projects+for+class+10+pdf In PDF document text
    • http://tekuk.fjreitztheatre.com/uploads/1/3/1/6/131607163/boweronufugas.pdfIn PDF document text
    • http://files.konidarissales.com/uploads/1/3/2/7/132740463/firepakef.pdfIn PDF document text
    • http://files.withbecca.com/uploads/1/3/1/3/131384599/torujigekomorak-fupaso-difevefe-nilixo.pdfIn PDF document text
    • http://files.ydlwithchristinasever.com/uploads/1/3/1/8/131871605/4677186.pdfIn PDF document text
    • http://files.heartsofhorsehaven.org/uploads/1/3/2/6/132695280/lukumuxo-lamoj.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/1/0433/8604/4570/files/3992833870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7099/7151/files/xemakumin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5479/1832/files/25616964121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0115/9575/files/53500167909.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/zorusepopujitajev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8535/6449/files/vagesomowibanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7234/7550/files/matenoduwiwugides.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9165/6864/files/bubamodufarilosubolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6318/9405/files/payday_loans_salem_oregon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/77124749418.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 5

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_off00005d5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D5C 5744 bytes
SHA-256: 2a6e382de0383660de5f7203cf8a94aa97c6b79a81f4ee854e66f7c608d1a764
font_01_sfnt_off00007113.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7113 10344 bytes
SHA-256: 110c5a33901062ec91fec94960816bd32abd9411a96316dbe58da201435844a3

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