Malicious PDF — malware analysis report

Static analysis result for SHA-256 40f1d93b1e8e8612…

MALICIOUS

PDF

65.3 KB Authoring application: Soda PDF
MD5: 1a84194930610d0b8a9e46a0c56fab94 SHA-1: 3a2f34a95934768f4606764256f4b92666c80a5e SHA-256: 40f1d93b1e8e86123507d3cb8905c7031dd0cfca125039d7a2ac07b747f88106
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external PDF links, with the primary host being rachaelcrevier.com. This suggests the document's purpose is to redirect users to potentially malicious content hosted on these external sites, possibly for SEO manipulation or to serve further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://rachaelcrevier.com/uploads/1/3/0/2/130289045/xadovukerefakovewidi.pdf
    • https://vovudiremonif.weebly.com/uploads/1/3/0/4/130483582/924000.pdf
    • http://32everything.com/uploads/1/3/0/4/130489572/c13d319.pdf
    • http://pus.loft-furniture.ru/uploads/2020/01/27/delepamo.pdf
    • http://madeinmanette.com/uploads/1/3/0/2/130291624/sifanazelaz.pdf
    • http://lermind.com/uploads/2020/01/29/jefejisisizilol_besominikajog_gilipal_somipojuzadired.pdf
    • http://superiorcartcompany.com/uploads/1/3/0/6/130604133/3743564.pdf
    • http://deraadgevers.com/uploads/1/3/0/5/130539437/rofovupiroxo-nusavari.pdf
    • http://wupajat.seubluray.com/uploads/2020/01/28/nobolujalafeset_velunofuz_pekefavumujaf_jetuz.pdf
    • http://airflowjourney.com/uploads/1/3/0/6/130604667/matabodigiv_ruxavub.pdf
    • http://aextracts.net/uploads/1/3/0/4/130483478/sapid.pdf
    • https://fesutodetemos.weebly.com/uploads/1/3/0/6/130604539/dilatumom.pdf
    • http://indiafin.club/uploads/2020/01/28/satekanow_ragina_pereguxofipoxif_muxulasopoxog.pdf
    • http://mam.trokot-shops.pro/uploads/2020/01/28/piluvozi.pdf
    • http://tadbservicesinc.com/uploads/1/3/0/5/130542922/ac31dae3d221c6.pdf
    • http://mobilecraftbottlingcompany.com/uploads/1/3/0/5/130543168/kobidipaza.pdf
    • http://legroupebpce.info/uploads/2020/01/29/zobex-bodigefiluz.pdf
    • http://criinternational.org/uploads/1/3/0/2/130288427/9980623.pdf
    • http://lacuriowines.com/uploads/1/3/0/6/130604191/97705.pdf
    • http://freemetro.org/uploads/1/3/0/4/130435596/joveza_dipawegir.pdf
    • http://kenshen.store/uploads/1/3/0/5/130543053/e8bd77e.pdf
    • http://shopbelfast.info/uploads/1/3/0/3/130313072/130313072.html#einfache+8.+Klasse+science+fair+Proj

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001771.bin
b91d3b6fd5f1a8243243f5d387884a69a9ebe99e47a92b4f38a97c52d416bd7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1771 9408 bytes

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