Malicious PDF — malware analysis report

Static analysis result for SHA-256 9195e8cf9ba2c475…

MALICIOUS

PDF

47.0 KB Created: 2020-08-24 03:04:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fc1a250312ba189343da137cfc730189 SHA-1: 456b555a4f0f969e3441319b04ce5b26464402b1 SHA-256: 9195e8cf9ba2c475219d52a73d626868d9a2def49062295031f0bb232811590a
152 Risk Score

Malware Insights

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

The PDF contains embedded links, with one pointing to a known malicious redirector. The document body, though partially corrupted, includes a URL that appears to be a lure for 'Ocean's 8' movie parents guide, suggesting a social engineering tactic. The presence of numerous external links, many hosted on Shopify, indicates a link farm designed to obscure the malicious destination. The ML classifier also strongly flagged this PDF as malicious.

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.com/pify?keyword=ocean%2527+s+8+imdb+parents+guide
    • http://nalenop.ceibalogic.com/uploads/1/3/1/8/131872225/jepoz-kokunuvofokerig.pdf
    • http://gepej.yogadiversityinitiative.org/uploads/1/3/1/4/131437261/laroli_pezogijavamu.pdf
    • https://cdn.shopify.com/s/files/1/0434/1887/8104/files/vevini.pdf
    • https://cdn.shopify.com/s/files/1/0429/9682/6273/files/xogezinevuvud.pdf
    • https://cdn.shopify.com/s/files/1/0439/2520/9256/files/48097750610.pdf
    • https://cdn.shopify.com/s/files/1/0429/3374/7878/files/grignard_synthesis_of_triphenylmethanol_lab_report.pdf
    • https://cdn.shopify.com/s/files/1/0435/8026/0511/files/water_jet_cutting_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/6141/9927/files/18078930047.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/3d_photo_editor_apkpure.pdf
    • https://cdn.shopify.com/s/files/1/0436/5549/5833/files/bemekeriweduvaxeb.pdf
    • https://cdn.shopify.com/s/files/1/0440/7951/3752/files/toxuwig.pdf
    • https://cdn.shopify.com/s/files/1/0436/0224/7838/files/31025119519.pdf
    • https://cdn.shopify.com/s/files/1/0429/4246/4166/files/probability_sampling_dan_non_probability_sampling.pdf
    • https://cdn.shopify.com/s/files/1/0432/5395/6766/files/sibowodamikemajuvidutudod.pdf
    • https://cdn.shopify.com/s/files/1/0437/1356/0727/files/60612858724.pdf
    • https://cdn.shopify.com/s/files/1/0457/3623/1068/files/best_android_games_offline_obb.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_off00007805.bin
fc81fc8c0a18d6b33f885f0f69af385652dc7c6ae2bb9e65c9cc37735e881fc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7805 5756 bytes
font_01_sfnt_off00008b77.bin
96d3e9f54417f08bdc01d6048bb535fb2e0a7dceceea314dcea37aafd6728491		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B77 10420 bytes

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