Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe88a05936b25b2a…

MALICIOUS

PDF

34.1 KB Created: 2020-08-04 15:14:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5f1d6a7bb3295e2220feb27e5f7f4b5c SHA-1: 7a2640cabba438e97a86418d05795166c480c0b5 SHA-256: fe88a05936b25b2a707d49841d853f958f9c1670f6205d56ea52f4ca66281bda
194 Risk Score

Malware Insights

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

The PDF contains a mass link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=university+of+central+florida+campus+map+pdf'. This indicates a social engineering attempt to lure users to malicious content under the guise of a campus map. No scripts were extracted, but the PDF structure and embedded links are sufficient to determine the attack pattern.

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/pify?keyword=university+of+central+florida+campus+map+pdf In PDF document text
    • http://files.ltltriad.com/uploads/1/3/0/7/130776728/6b291.pdfIn PDF document text
    • http://files.nod-production.de/uploads/1/3/0/7/130776118/3864674.pdfIn PDF document text
    • http://numano.acupunturavetbarcelona.com/uploads/1/3/1/4/131453133/lezinilupomepoxakuvu.pdfIn PDF document text
    • http://files.brazossunrisefarms.com/uploads/1/3/2/6/132681685/diwodugedegumu_lilug_jumojofe_sagem.pdfIn PDF document text
    • http://telusapu.glasgowlands.org/uploads/1/3/0/8/130814397/kubozifotivufura.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/1/0429/6281/3084/files/folukojozafifum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9099/2549/files/29755691805.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0064/2211/files/lutaduzuwemijaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5702/9024/files/vasaluz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8428/3033/files/lojibo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/75011119952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8770/7804/files/pabagovikopanotuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6798/1474/files/ukp_akreditasi_puskesmas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2286/0956/files/dovuvob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5761/8850/files/fupiwajogipanekog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62374455636.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0393/5911/files/wipajawupolukod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3397/7247/files/5028021202.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 8

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_off0000489d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x489D 5452 bytes
SHA-256: 3f8f6a582a0ac3a3fd821fe5b34fe5b09538b7cd69b55fd64b8be0feeec69fa9
font_01_sfnt_off00005b26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B26 9372 bytes
SHA-256: 6ce9f9333e29e5694f7d9eac3d0cdfc8e5911fceea188d6a9df419bea0aca68b

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