Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b88ee893bfbf980…

MALICIOUS

PDF

48.4 KB Created: 2020-08-12 15:57:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1eb7cf79bc93fe7a52b9d0a9e5547f9d SHA-1: 6f38b35de6601c3f4541ac5f309008e6e1147ecc SHA-256: 0b88ee893bfbf98009c2bbdc9d61953e5f1a6b75ce541a158e3e48a612f20f2d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that lead to a redirector URL, identified as malicious. The document body and heuristics suggest a lure to download further content, likely malicious, under the guise of a 'bio data form'. The presence of numerous external PDF links further indicates a link farm or SEO manipulation tactic to distribute malicious 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.com/pify?keyword=bio+data+form+pdf+simple In PDF document text
    • http://gipedite.grandcanyonschoolpta.org/uploads/1/3/1/4/131453133/xuxivezezowuxuduz.pdfIn PDF document text
    • http://files.henfieldcameraclub.net/uploads/1/3/1/4/131407635/bufoku_filadegakofu_risoxitiled_godepafujebata.pdfIn PDF document text
    • http://files.leahatwood.com/uploads/1/3/1/3/131379256/pibur-totoxobe-favekirela.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/1/0427/4677/3660/files/brahminical_patriarchy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4433/8854/files/lineperikerapasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9933/2516/files/mulezubafuxekuralag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1483/1780/files/22266705836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5963/4591/files/vibipipivajegoxomosel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8566/8259/files/turkey_bird_farming_bangla.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0685/3269/files/93890356006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8006/4936/files/72079526302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7347/8560/files/gemupukizivubaxal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4742/0066/files/delegation_and_decentralization_of_authority.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9985/7823/files/fudonoruwevijinaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8962/5250/files/dewisamapopetevuruvezi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.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 4

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_off00008175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8175 5236 bytes
SHA-256: 2e5c9d1adb01b599df82593572d2cd02f2340f0477645b020444b05f3f7022c1
font_01_sfnt_off0000932f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x932F 10036 bytes
SHA-256: 44c1cd1a09b93d1766a752b9fa825727daa54f647d1876c841183db7eb10d5e4

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