Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddc5d0d08beffd5d…

MALICIOUS

PDF

43.3 KB Created: 2020-08-14 08:08:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1515bdca81e132622d544d2e88323b93 SHA-1: a97d0605fc6f5f1586884d0dba422e7d93f132e0 SHA-256: ddc5d0d08beffd5d5f915c9a9f9df327d2480313acb24d125095cb3fc66ecb91
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external resources, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic firing indicates a direct link to a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The embedded URLs suggest a link farm or redirection strategy 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.cc/pify?keyword=ap+module+grade+10+unit+2+pdf In PDF document text
    • http://files.saraelizabethtaylor.com/uploads/1/3/0/7/130739664/dokux.pdfIn PDF document text
    • http://files.therealhealthymum.com/uploads/1/3/0/7/130776656/8ea5f5fa2a36.pdfIn PDF document text
    • http://files.maisondeslime.com/uploads/1/3/1/8/131856380/8834000.pdfIn PDF document text
    • http://rosiwiwa.northernsoulcostablanca.com/uploads/1/3/1/8/131856177/f7270069a78.pdfIn PDF document text
    • http://xodunite.dreamcarmediaevents.com/uploads/1/3/1/4/131454065/sedijikizedamiriwog.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/1/0430/7743/5556/files/bescherelle_complete_guide_to_conjugating_12020_french_verbs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9074/8316/files/22490513939.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9410/5509/files/gross_margin_analysis_excel_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4778/8450/files/jokipafezema.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6350/1222/files/55910438398.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/valesanajapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5852/7394/files/97200685963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/32443099447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8458/6909/files/lufefolejavizadopifig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7677/2250/files/50920918927.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7164/2527/files/exercise_18_electroencephalography.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 6

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_off00006072.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6072 5496 bytes
SHA-256: 5f3ca3b06fdbd3bd8b754f7d458a0537c277668daf815099e756f2dfd260cfb4
font_01_sfnt_off00007314.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7314 15600 bytes
SHA-256: 5fc10d0c568d364554c651a1a465827c6d1c8dfb1e0631c1bf22553a2c882f7c

Open this report in the interactive analyzer, or submit your own file for analysis.