Malicious PDF — malware analysis report

Static analysis result for SHA-256 80b71b0c1a11cd88…

MALICIOUS

PDF

51.9 KB Created: 2020-08-10 03:53:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 88c8892b362981d34bd7bf5b7b1fba0e SHA-1: 93f80b64d4a0b1cea0dfa504b8adf0dab9ba7c37 SHA-256: 80b71b0c1a11cd884bcac89bc82848d6699deed1df1464e03898829fbdf54176
194 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links designed to create a link farm, likely for SEO manipulation or to distribute malicious content. The primary link identified, 'https://ttraff.cc/pify?keyword=major+areas+of+philosophy+pdf', is a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the intent is to redirect users to potentially harmful content under the guise of providing a philosophy PDF.

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=major+areas+of+philosophy+pdf In PDF document text
    • http://mobasa.thesharedagenda.org/uploads/1/3/1/3/131383483/3217662.pdfIn PDF document text
    • http://files.arizonarentalsonline.com/uploads/1/3/2/6/132682862/9e15de5fe551.pdfIn PDF document text
    • http://files.gcwomensclub.com/uploads/1/3/2/6/132682063/wibeveti-fuvasopu-rinefajifuwezo-rirujarid.pdfIn PDF document text
    • http://files.carinandbenblazer.com/uploads/1/3/2/6/132683000/masejolonijo.pdfIn PDF document text
    • http://files.caribbeandawn.com/uploads/1/3/1/0/131070035/1836999.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/1/0431/8534/0580/files/befovajigetesuwalukip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7083/3319/files/59783037483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0276/4184/files/35439682901.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7170/9079/files/jawesodexemudefatejul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8004/7010/files/crayola_calligraphy_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2663/5162/files/nutricion_parenteral_en_neonatos_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5816/5925/files/blessed_drake_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4073/5381/files/lexomomef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7142/9015/files/university_of_cape_town_prospectus_2020.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 7

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_off00008a61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A61 5312 bytes
SHA-256: e83ce417621ea74383559f6a68192f7944216eddbcb4e399d51a279e73b31fa5
font_01_sfnt_off00009c86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C86 11344 bytes
SHA-256: 3aabd941b3f2aff0b38068c7850e3be8044b75a1265e4bd6bb594a88ca1b19d3

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