Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fee7af0023a4f84…

MALICIOUS

PDF

73.3 KB Created: 2020-08-14 21:03:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bedc555e0a5e5864f618fad38117b73f SHA-1: 66f27ac5f15e5731e7e53a598f3b66d1abc8e527 SHA-256: 1fee7af0023a4f84dfd48c983f75b5b4df8cd7e28fd208e46e1442115dfae514
150 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as legitimate PDF downloads, but the primary link redirects to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the malicious URL, suggesting the intent is to trick users into downloading further malicious content or visiting compromised sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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=abnormality+in+psychology+pdf
    • http://files.jclandscapingandmasonry.com/uploads/1/3/2/6/132683137/82d8bf5.pdf
    • http://dupaw.faithmortimerauthor.com/uploads/1/3/1/4/131453323/8c3ae12302dd.pdf
    • http://files.drwendyying.com/uploads/1/3/1/4/131483955/likipupodirugim.pdf
    • http://files.tukatavientiane.org/uploads/1/3/2/7/132712558/4304847.pdf
    • https://cdn.shopify.com/s/files/1/0438/0455/7469/files/our_casuarina_tree_critical_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0433/4914/7816/files/manetajuzixupupuno.pdf
    • https://cdn.shopify.com/s/files/1/0430/9850/5377/files/zinaluperukuk.pdf
    • https://cdn.shopify.com/s/files/1/0437/7319/8487/files/xetidat.pdf
    • https://cdn.shopify.com/s/files/1/0433/4511/7342/files/xuzew.pdf
    • https://cdn.shopify.com/s/files/1/0428/0349/5071/files/15990464413.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tikodizexosuva.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e19f.bin
9124e4a628b0aff055f35e6e5ef965b1b6405bcace7508fd1ef52034c7dfd813		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE19F 5800 bytes
font_01_sfnt_off0000f518.bin
1c9096b86bc03bdfd9a565704e1d5f5a2d2da149bf051c525db8024c5b3c62d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF518 10336 bytes

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