Malicious PDF — malware analysis report

Static analysis result for SHA-256 10b8d663ee1751b9…

MALICIOUS

PDF

44.8 KB Created: 2020-10-27 02:39:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 6274252841ac4c56e98c1fbfee1f3305 SHA-1: 43c64a67485e2e64935a570f233eb89245533855 SHA-256: 10b8d663ee1751b99969233f850b0571b9e5de92028d9210dedec959d9741010
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to disposable hosting, designed to redirect users to malicious infrastructure. The primary redirector URL is https://ttraff.me/123?keyword=the+wheel+of+time+map+pdf, which is flagged as malicious. The document body, though heavily obfuscated, also contains embedded URLs that contribute to the link farm. This behavior is consistent with a phishing or content-scraping campaign aimed at driving traffic to 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.me/123?keyword=the+wheel+of+time+map+pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4365575/normal_5f87f97d3ffd0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390329/normal_5f96d6e2c4d4b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366335/normal_5f8de0fdbd09f.pdfIn PDF document text
    • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/1000608.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367304/normal_5f926e4e7dfc8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389793/normal_5f951551b7505.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367313/normal_5f8a172e36737.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368474/normal_5f87daf72cb3b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417528/normal_5f952e1448276.pdfIn PDF document text
    • https://vozutadisifik.weebly.com/uploads/1/3/1/4/131483249/6ea6ef826f56.pdfIn PDF document text
    • https://xivenisulebitok.weebly.com/uploads/1/3/1/3/131378814/fba8604e519f6.pdfIn PDF document text
    • https://nidupivulef.weebly.com/uploads/1/3/4/0/134042353/2917718.pdfIn PDF document text
    • https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/nalifevavunise.pdfIn PDF document text
    • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/kuvawidifakurabebe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0483/3525/7753/files/2544211053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/5017/5126/files/apk_app_locker_pro.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000064f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64F8 4728 bytes
SHA-256: d50d8b276b1823ff32753f038a2803d77573ce6630c8464e8093958c4d6075f8
font_01_sfnt_off00007521.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7521 10220 bytes
SHA-256: ae7a44ebcbe0e7157d4ffe36149b36f7ef7cfcd62ac5586f3e7a0e2b143c5dda
font_02_sfnt_off0000980f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x980F 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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