Malicious PDF — malware analysis report

Static analysis result for SHA-256 05e9068a97ec6939…

MALICIOUS

PDF

40.8 KB Created: 2020-08-05 03:12:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c1430dc865aebb703ec764e1bc136e15 SHA-1: 7eba8cb7ce421fa25f65d04a7525064bc61d1b7d SHA-256: 05e9068a97ec69394e7007722f56f48ab94d70c881f3b4ab6472e6c0407c79fa
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent link redirects through 'ttraff.cc', a known malicious redirector, indicating a phishing or malware distribution attempt. The document body, though partially corrupted, contains text related to a book search and the malicious URL, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=dream+theater+distance+over+time+tab+book+pdf
    • http://files.brownehillradio.com/uploads/1/3/0/9/130969129/9500774.pdf
    • http://files.rrdiamondsdanceteam.com/uploads/1/3/2/6/132695352/vutiwij.pdf
    • http://files.athleticsnorth.net/uploads/1/3/0/9/130969545/sojipe-rotizavolagebof-zegur-gadalinepema.pdf
    • http://files.transknowledge.co.uk/uploads/1/3/0/7/130775744/vedonu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0432/0624/6557/files/forcepoint_category_list.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43127542751.pdf
    • https://cdn.shopify.com/s/files/1/0431/7092/2655/files/vataboretegifubuxowulagij.pdf
    • https://cdn.shopify.com/s/files/1/0435/8009/6667/files/string_compare_java.pdf
    • https://cdn.shopify.com/s/files/1/0430/5820/0729/files/60392137044.pdf
    • https://cdn.shopify.com/s/files/1/0432/4596/1383/files/11846840871.pdf
    • https://cdn.shopify.com/s/files/1/0429/2745/6419/files/squash_commits_github.pdf
    • https://cdn.shopify.com/s/files/1/0432/2436/7262/files/66258085814.pdf
    • https://cdn.shopify.com/s/files/1/0429/5104/9370/files/14399328137.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/59044096386.pdf
    • https://cdn.shopify.com/s/files/1/0427/8039/3639/files/28428673529.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000526c.bin
9938e9376954d356f81c727278d7de2a7edc96b623e0f08e07b4880f9be00652		 pdf-font-stream PDF embedded font (sfnt) at offset 0x526C 5416 bytes
font_01_sfnt_off000064ac.bin
4acacc0e0bbad2de8ee9fe1a43f93e23f04eb94cebf245537c99b5f1a04093e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64AC 10148 bytes
font_02_sfnt_off00008766.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8766 4324 bytes

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