Malicious PDF — malware analysis report

Static analysis result for SHA-256 1946f4edc1bb4297…

MALICIOUS

PDF

48.0 KB Created: 2020-07-30 09:16:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b9e7fd7523963468caa51ed34e3707b2 SHA-1: d7cd9e54fa314fa11a3337af88af9a28f2e4fbd8 SHA-256: 1946f4edc1bb42973c9145d7c3f77ea901199a2a825d1b1b1868a78bf63603d0
154 Risk Score

Malware Insights

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

The PDF contains numerous links to external websites, including a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'law of attraction' PDFs, likely intended to trick users into visiting malicious sites. The presence of embedded URLs and the ML classifier's high confidence indicate a malicious intent to redirect users to potentially harmful content.

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=law+of+attraction+love+specific+person+pdf
    • http://files.alcdance.com/uploads/1/3/2/7/132740260/c38e38ffac783fe.pdf
    • http://files.kanadanzey.com/uploads/1/3/2/3/132303083/wutuwineliwidefipof.pdf
    • http://files.bethesdacabaret.com/uploads/1/3/0/7/130775009/kupabapabupeditugi.pdf
    • http://files.bhspantherplayhouse.org/uploads/1/3/0/7/130738850/9447059.pdf
    • http://files.rusticchalkdecorshop.com/uploads/1/3/1/0/131070317/4ca0dc7cdf92523.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0431/5129/4619/files/93212150221.pdf
    • https://cdn.shopify.com/s/files/1/0430/7720/6178/files/11187519996.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71482320097.pdf
    • https://cdn.shopify.com/s/files/1/0438/7821/9944/files/29915185123.pdf
    • https://cdn.shopify.com/s/files/1/0436/4160/2208/files/koraka.pdf
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/80679091996.pdf
    • https://cdn.shopify.com/s/files/1/0431/7554/2950/files/70121498201.pdf
    • https://cdn.shopify.com/s/files/1/0434/7301/0840/files/popumulola.pdf
    • https://cdn.shopify.com/s/files/1/0431/9959/4656/files/gevisosovanufuwadinuzur.pdf
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/sexomuritekemi.pdf
    • https://cdn.shopify.com/s/files/1/0433/7175/7718/files/kosediwusazal.pdf
    • https://cdn.shopify.com/s/files/1/0432/2459/6642/files/7580146151.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007eb6.bin
5c385503896e28b95534c9fb0171a6d221e5cc6ac98e7e0b389b6f54c510da5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EB6 5032 bytes
font_01_sfnt_off00008ff4.bin
6fb9f18def9b70c66bc0cd1f75b3c35da7683be1c47a6f5d38282613fadacb76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FF4 10096 bytes

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