Malicious PDF — malware analysis report

Static analysis result for SHA-256 09be2d80d30e1245…

MALICIOUS

PDF

47.8 KB Created: 2020-04-02 04:56:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 973384bda95b93f8b4babd1305e2ebaa SHA-1: a6bd3cc1cef1365eaf6e52196034359025cacf8f SHA-256: 09be2d80d30e124536aaa12e981454e29969f0583a7dd8cfce8241f8939f54cb
104 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which appear to be part of a link farm designed for SEO manipulation. The presence of a "download" call-to-action heuristic, combined with the ML classifier's high confidence score, indicates a malicious intent. The document likely aims to trick users into clicking these links, potentially leading to further compromise or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://haleylarsonarts.com/uploads/1/3/0/2/130272976/130272976.html#4ckm21-rv+kohler+generator+parts
    • http://sunviewhills.com/uploads/1/3/0/8/130813514/guvituvozupilinineju.pdf
    • http://www.speechanddebatecamps.com/uploads/1/3/0/5/130539336/f908be.pdf
    • http://estherkamara.com/uploads/1/3/0/7/130775370/7b198a.pdf
    • http://vanessagallas.com/uploads/1/3/0/6/130604958/timalelogonurux_bopixut_soniwos.pdf
    • http://savorypleasures.com/uploads/1/3/1/3/131398377/tebajitefezakelepo.pdf
    • http://pescacentershop.org/uploads/1/3/0/7/130739093/tonipevojile.pdf
    • http://mountsautorepair.com/uploads/1/3/1/4/131407977/a14797df981f.pdf
    • http://zcmusic.com/uploads/1/3/0/6/130620926/weguwu.pdf
    • http://myitworkswell.com/uploads/1/3/0/7/130739240/susan.pdf
    • http://battleofthebighorn.org/uploads/1/3/0/5/130588511/giwokumedo-pemitogidonuneb.pdf
    • http://usaimmigrants.org/uploads/1/3/0/7/130738837/60615.pdf
    • http://chenacademy.com/uploads/1/3/0/6/130621467/xusol.pdf
    • http://callowayshanna.com/uploads/1/3/0/3/130313585/7522660.pdf
    • http://angelictouchcleaning.com/uploads/1/3/0/7/130739492/9413930.pdf
    • http://silvereliteconsulting.com/uploads/1/3/1/3/131381721/6652568.pdf
    • http://twoandtwocompany.com/uploads/1/3/0/6/130621684/vozoveka-vikibixoxev.pdf
    • http://beansandbins.com/uploads/1/3/1/1/131164402/taxafogozanebub.pdf
    • http://bredpan.com/uploads/1/3/0/2/130288802/liribozali.pdf
    • http://luxiairdeliveryservice.com/uploads/1/3/0/5/130551765/wapipisuj.pdf
    • http://ed508ljay.com/uploads/1/3/0/6/130639873/41eea577b.pdf
    • http://patriciabondrn.com/uploads/1/3/0/6/130604560/c100ae354d9a85.pdf
    • http://neurosurgicalconsultations.com/uploads/1/3/0/2/130291463/6508e.pdf
    • http://bloomblushfloral.com/uploads/1/3/0/6/130639461/4990259.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008f9f.bin
13ca6e64db0dc047cfd5e8760a5fd510f9c1b454b3690ed613db46c0b5e177f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F9F 9004 bytes

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