Malicious PDF — malware analysis report

Static analysis result for SHA-256 11f11e77895a0735…

MALICIOUS

PDF

44.5 KB Created: 2020-08-04 16:59:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 80720a2747efad6763ab109bbec5458d SHA-1: 7d134c8da6d845385f9f31137f77bfbdb6ca7696 SHA-256: 11f11e77895a0735ae585f1614b0539f4602a06ea25835bfb294b8a1826a73c9
194 Risk Score

Malware Insights

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

This PDF file contains numerous links, many of which point to a redirector infrastructure associated with malicious activity. The document body, though partially corrupted, includes the URL 'https://ttraff.com/pify?keyword=malaria+treatment+failure+pdf', indicating a lure for users interested in malaria treatment information. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic to drive traffic to potentially malicious sites.

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=malaria+treatment+failure+pdf In PDF document text
    • http://files.buddysplacenashville.com/uploads/1/3/1/3/131379421/nuriku.pdfIn PDF document text
    • http://files.servdmelbourne.com/uploads/1/3/0/7/130740264/f4dcbbec364ae2.pdfIn PDF document text
    • http://files.thejosienetwork.com/uploads/1/3/0/7/130740591/guwegesisofagotumeb.pdfIn PDF document text
    • http://files.alisonhoward.com/uploads/1/3/1/4/131438464/2663340.pdfIn PDF document text
    • http://files.reverieofthereal.republicofdaydreams.com/uploads/1/3/1/8/131871433/tigekamobi.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/1/0429/8165/4687/files/dexufobowezutugowiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7096/3350/files/pejozanadofezazisowosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0415/8375/files/jamako.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/82825876972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6634/1029/files/94361073995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9032/2342/files/68002247150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0897/4235/files/46555026034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7420/7387/files/daxuri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4032/5282/files/galiwesivixudonawal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7463/4403/files/fojiriraba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7972/8281/files/suburban_noize_records.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1423/4016/files/dixagimikij.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 2

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_off0000703c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x703C 5012 bytes
SHA-256: cf8b901d20f19b802adde15e8310eede440ecc5a28f92c25639346c4497ce415
font_01_sfnt_off0000813f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x813F 10692 bytes
SHA-256: 428d8b6d7dfbdb40c9fffcc7ea744597590a5b3efb816cc303cb551844d3432a

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